题干
—You seemed to be impressed by his skill.
—No. It was his courage ________ his skill that really impressed me.
—No. It was his courage ________ his skill that really impressed me.
A：but also
B：except for
C：as well a
D：rather tha
答案(点此获取答案解析）
C
且X、Y 均为不大于20的正整数，据此回答下列问题：