题目内容：

（）good time they had last weekend
A how B what C what aD how a

优质解答

（C、What a） good time they had last weekend!
他们上周过得多愉快啊!
have a good time,过得开心.这个感叹句的中心词是名词time,所以感叹词用what.而how用于强调形容词或副词.