_福建成考网

How did the author introduce the topic of this passage?

• A、By describing grammar errors made by kids.

• B、By sharing experiences of speech therapists.

• C、By using Tom' s case as an example.

• D、By stating his personal views to readers.

59.（）

Mary took a part-time job last summer, but her parents were unhappy about_____she did.

• A、these

• B、which

• C、that

• D、what