Jenny nearly missed the flight doing too much shopping.A. as a result ofB. on top ofC. in

问题补充：

Jenny nearly missed the flight doing too much shopping.

A. as a result of

B. on top of

C. in front of

D. in need of

答案：

(答案→)A. as a result of

B. on top of

C. in front of

D. in need of

解析：考查固定短语(as a result of“由于……的结果”)。