A-A+
When you are having a cold ___________A. it i
问题详情
When you are having a cold, ___________
A. it is always the same kind of cold that you had last time
B. it may be the same kind of cold that you had last time
C. it is certainly not the same kind of cold that you had last time
D. it is probably not the same kind of cold that you had last time请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
题意：当你感冒时，……。
根据文章第三段第一句There are more than l50 different cold viruses，and you never have the same one twice可知，感冒病毒有l50多种，一个人绝不会两次感染上同一病毒。所以C项正确。故本题选C。
