__________ my daughter is big enough to take care of herself, I don't need a full-time maid.
A. Ever since
B. Now that
C. As regards
D. On the other hand
A: Ever since my daughter is big enough to take care of herself, I don't need a full-time maid.
B: Now that my daughter is big enough to take care of herself, I don't need a full-time maid.
點解答A就岩, 答B就唔岩? 呢度用ever since 同 now that 有咩分別?