单选题 I was ______ telephoning him when he came in.

A. with the exception of
B. in the face of
C. for the sake of
D. on the point of

【正确答案】 D

【答案解析】[解析] 本题的考点是词组用法。 on the point of doing sth. 的意思是be about to do sth. with the exception of的意思是except； not including：in the face of的意思是even though sth. ，usually a danger，problem or unpleasant situation，etc，exist，例句：She married him in the face of opposition from both her parents. for the sake of sb. /sth. 的意思是in order to help sb. /sth. or because you like sb. /sth. ，例句：They stay together for the sake of the children.