---I’m sure I will get good grades (成绩) in this exam.---If so I believe your parents will

问题补充：

---I’m sure I will get good grades (成绩) in this exam.

---If so, I believe your parents will the result.

A. be satisfied with

B. be angry about

C. be proud of

D. be worried about

答案：

(答案→)A. be satisfied with

B. be angry about

C. be proud of

D. be worried about

解析：短语辨析。A“对……满意”，B“因……生气”，C“为……感到骄傲”，D“担心……”，根据句意选A。