—Mary could swim when she was six years old.---              .A．So could IB．So d

题型：不详难度：来源：

—Mary could swim when she was six years old.
---              .

A．So could I

B．So did I

C．So I could

D．So was I

答案

A

解析

试题分析：句意：—玛丽六岁的时候就会游泳了。—我也是。So+do+主语 此句型为倒装结构，其主语与上文句子中的主语是不同的。so代表上句中陈述的肯定内容。do可以是连系动词、情态动词或助动词，且必须与上句中的谓语动词保持时态的一致，意思为“……也是如此”。 So could I是倒装句，它的动词、时态要和上句保持一致。故选A。