안녕하세요. 처음으로 질문글 남기네요^^;;공부 하다가 설명도 없고 도저히 제 머리로는 이해가 안되는 문제가 있어서요.Women employs make real sacrifices and take great risks when they have children. In 82% of work situations where there is no labor union representation, pregnant workers are routinely fired.Others when they come back to work after childbirth, losing seniority. Large numbers of new mothers fail to find affordable child care and are forced to take marginal jobs with short hours close to home.Q: Which of the following is the best appropriate for the blank?a) find it difficult to keep their positionb) are redefined as new hiresc) take a long time to get promotedd) are forced to resign저는 a와 d사이에서 고민하다가 a를 골랐는데요...정답은 b인데요, 도대체 어느 부분이 힌트가 되어 b가 답이 된다는 거죠?아시는 분~ Help me, please~