[单选题]For years, thought leaders like Sheryl Sandberg have been offering remedies for the "work-life balance dilemma," most aimed 1______at women. Some experts told women to lean in, 2______others advised stepping back. A few even maintained that the only way forward was to return to "ultra-traditional" gender roles. What all these strategies have in common is the 3______that the conflict between work and family can be solved by changing our institutions and relationships. But 4______there is no solution? More than a century ago, the kibbutz movement made a dramatic attempt to 5______work-family conflict once and for all. In these small communal settlements, children didn’t live with their parents 6______spent most of their time in "children’s houses," 7______they ate meals, attended school and even slept. The idea was to free mothers and fathers from the burdens of caregiving, giving them the opportunity to 8______fully in the work of the kibbutz. Yet even when work-life conflicts appeared to have been solved, mothers weren’t 9______with the arrangement. A study 10______on in-depth interviews with 123 mothers from 13 kibbutzim, found that nearly all the mothers believed their children were happy in the children’s houses; 11______they still wanted more contact with their offspring than kibbutz life 12______In the end, mothers drove the kibbutzim to 13______communal child-rearing arrangements. The 14______of all our attempts to end work-family conflict suggests that we need to stop thinking of it as a problem to be solved, and 15______understanding it as a tragedy in the ancient Greek sense—a conflict between two competing goods. In our careers, we are 16______beings, honing our talents and earning financial rewards; as members of a family, we prioritize our connection to those we love. 17______of these identities can be given up without a cost. We wouldn’t want to "solve" our desire to care for our children, or lose our motivation to work.18______lamenting the difficulty of balancing the two endeavors, then, we can try to appreciate the productivity that results from forces in 19______.Having conflicting obligations and playing different roles is 20______for physical and emotional health, forcing us to engage in activities that are good for us, such as physical activity and social engagement. 第(1)题选______。