题目内容：
下列可证明甲烷分子是正四面体结构的是
A一氯甲烷没有同分异构体
B二氯甲烷没有同分异构体
C三氯甲烷没有同分异构体
D四氯甲烷没有同分异构体
答案解析：
单选题：下列可证明甲烷分子是正四面体结构的是A一氯甲烷没有同分异构体B二氯甲烷没有同分异构体 C三氯甲烷没有同分异构体D四氯甲烷没有同分异构体
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