It isn't just big data specialists like data scientists and statisticians to benefit from

It isn't just big data specialists like data scientists and statisticians to benefit from this boom of big data opportunities.
A. who stands
B. that stand
C. which stands
D. when stand

A. who stands(答案→)B. that standC. which standsD. when stand解析：句意：不仅仅是像数据科学家和统计学家这样的大数据专家才能从这股热潮中获益。这里用的是强调句，强调结构是：It is/was+强调部分+that…，判断是否是强调句的方法是：去掉强调结构，如果这句话仍然成立，就是强调句，这句话如果去掉强调结构是：Not just big data specialists like data scientists and statisticians to benefit from this boom of big data opportunities.所以是强调句，还有因为强调的是主语big data specialists like data scientists and statisticians所以强调句中的谓语用复数stand，选B。

我学会了