The theory of case condition accounts for the fact that ______.

The theory of case condition accounts for the fact that ______.
A、noun phrases appear only in subject and object positions.
B、noun phrases can be used to modify another noun phrase
C、noun phrase can be used in adverbial positions
D、noun phrase can be moved to any place if necessary
【正确答案】:D
【题目解析】:The theory of case condition accounts for the fact that noun phrase can be moved to any place if necessary.