Question

…It’s surprising that he got such a high mark!
…Yes.I wonder      it．

A．how did he do

B．how he did

C．why did he do

D．that he did

Answer 1

B

考查宾语从句的用法。根据上句的意思：他得如此高分是很惊讶的。且答语中的Yes已经表明后者同意前面的观点，因此可以推测出：想知道的事情有可能是“怎样获得”，用疑问词how做连词；宾语从句用陈述语序，B项最合句意。