二、词汇与语法知识: 共15小题; 每题2分, 共30分。从每小题的四个选择项中, 选出最佳的一项。6.Of all( )reasons for my decision to become a university professor, my father's advicewasmost( )important one.
A、the; a
B、不填; a
C、不填; the
D、the; the
13.—Who do you think has eaten my cake, father?—It( ) beyour younger sister.