What is the best title for the passage?

• A、What Can Doctors Do with Language Delay?

• B、What Can Be Done about Kids with Language Delay?

• C、How Can Language Delay Be Easily Detected?

• D、How Can Parents Prevent Kids from Language Delay?

If Peter had told his teacher about his difficulty in math homework，she____him before the exam.

• A、helps

• B、will help

• C、would have helped

• D、would help

57.（）