Question

－What made Jim’s parents so happy?－＿＿＿　the college entrance

Answer 1

C

本题考查非谓语动词。句中的回答为省略结构，补全为Jim’s passing the college entrance exam made Jim’s parents so happy。吉姆通过大学入学考试让他父母如此的高兴。故考查用动名词作主语，选C。