Mother wanted to be a good provider, a role she since her marriage to Father.
A. shoulders
B. shouldered
C. is shouldering
D. has been shouldering
网友回答
A. shoulders
B. shouldered
C. is shouldering
(答案→)D. has been shouldering
解析:考查时态。本句的关键是后面的since her marriage to Father,该介词表示“自从…”要和现在完成时或者现在完成进行时连用。故D正确。