A-A+
A．He was smoking a pipe.B．He was learning to s
问题详情
A．He was smoking a pipe.
B．He was learning to smoke.
C．He was studying a tobacco plant.
D．He was throwing tobacco leaves on a fire.
参考答案
正确答案：A
解析：选项都是和he有关的细节。从He used to smoke two pipes every day secretly in his room．可以得知他在抽烟斗。
