问题
选择题
—What made you so delighted at Christmas?
—______.
A．I received much more presents than others
B．Because my parents promised me a new car
C．My uncle's coming back from abroad
D．As there was an unusual celebration
答案
答案：C
由题干中的what在句子中作主语可知，答语只能用名词、代词、不定式或者动名词。故只有C项符合题意。