It was that he had to ask for helpA. so big workB. so big a workC. such a big workD. suc

问题补充：

It was that he had to ask for help．

A. so big work

B. so big a work

C. such a big work

D. such a big job[

答案：

A. so big work

B. so big a work

C. such a big work

D. such a big job[

解析：句意：这是一个如此大的工作以至于他不得不去寻求帮助。Work为不可数名词，job为可数名词，如此大的一份工作应为：such a big job,所以应选D。