问题补充：
— does your cat weigh?
— About 5 kilograms.
A. What
B. How much
C. How many
D. How
答案：
A. What
(答案→)B. How much
C. How many
D. How
解析：。“有多少。。。”，一般后跟可数的名词。比如：How many pens do you have?而与之相反的是much。“how much”也为有多少之意，但是它一般后跟不可数名词。比如：How much money does your pen cost?
