[单选题]
Which of the followiy5wqfr kf7z36*28 3v +awh qwqotyq,h ng represent omg. swm.rr y1+) -nigsaturated compounds?
I. 3-methyl-1-butyne
II. Propanol
III.
A. $I$ and $II$ only
B. $I$ and $III$ only
C. $II$ and $III$ only
D. $I$, $II$, and $III$
参考答案: C
本题详细解析: Explanation:
Saturated compounds contain only single bonds. Butyne is an alkyne, and so, has a triple bond.