It took Mary quite a long time to a new dress at the store.A. pick upB. pick outC. work o

问题补充：

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

答案：

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。