A group of middle school students spent two weeks the jungle. A. trekking throughB. trekk

问题补充：

A group of middle school students spent two weeks the jungle.

A. trekking through

B. trekking across

C. to trek across

D. to trek through

答案：

(答案→)A. trekking through

B. trekking across

C. to trek across

D. to trek through

解析：句意：一群中学生花了两周的时间穿越丛林。Spend time doing sth意为“花费时间做某事”；trek through意为“从中间穿过”，trek across意为“从上面走过”，故选A。