It is human activities on the earth that are to global warming. A. be blamed forB. to bla

问题补充：

It is human activities on the earth that are to global warming.

A. be blamed for

B. to blame for

C. take charge of

D. be responsible with

答案：

(答案→)A. be blamed for

B. to blame for

C. take charge of

D. be responsible with

解析：短语辨析. be blamed for因……被责备，归咎于；to blame for因……怪罪；take charge of接管，负责；be responsible with负责。句意：需要因为全球变暖而受到责备的，是人类在地球上的活动。结合本句不定式符号to及语境，可知选A。所给答案有误。