He has promised to the matter and will give the workers a satisfactory answer.A. look int

问题补充：

He has promised to the matter and will give the workers a satisfactory answer.

A. look into

B. look after

C. look at

D. look for

答案：

(答案→)A. look into

B. look after

C. look at

D. look for

解析：短语辨析。A调查B照顾C看D寻找；句意：他答应调查这起事故，并给工人们一个满意的答复。根据句意说明A正确。