It took Mary quite a long time to a new dress at the store.
A. pick up
B. pick out
C. work out
D. take up
网友回答
A. pick up
(答案→)B. pick out
C. work out
D. take up
解析：本题考察动词短语含义的区分，本题的含义为在那家商店挑选一件新裙子花费玛丽相当长的时间，pick out为挑选的含义，pick up为采摘的含义，work out 为解决的含义，take up为占据的含义，故本题选B。