Somanydirectors_________theboardmeetinghadtobeput

So many directors_________ , the board meeting had to be put off till next Monday.

A． were absent

B． being absent

C． been absent

D． had been absent

正确答案：B
本题考查独立结构-ing分词结构用在此处表示原因题干的意思是：“由于许多董事都不在董事会只能推迟到下周一了”