单选题
If you work for a major corporation, or are contracted at one, sooner or later, you may be called upon to create or maintain an internal website. Here are the ______ of intranets.
【正确答案】
A
【答案解析】ins and outs细节；in a pinch在紧要关头；in a cleft stick进退两难；in a breeze不费力的。