单选题
It can be inferred from the passage that the mimosa is called the sensitive plant because it ______.
A、
reacts to outside stimulation
B、
has smaller leaves than most other plants
C、
depends on organs called pulvini
D、
contains potassium and water
【正确答案】
A
【答案解析】
[注释] 根据第二段第三句话“含羞草受到外部的刺激后会在数秒内垂下叶子”
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