--Dad I’ve got an A in the math exam.Great. And I’m sure you will do better because t

问题补充：

--Dad, I’ve got an A in the math exam.

--Great. And I’m sure you will do better, because this is a good.

A. report

B. result

C. start

D. skill

答案：

A. report

B. result

(答案→)C. start

D. skill

解析：取得好成绩应该是一个好的开端，start表示开端的意思，故本题选C。