Plants respond to touch接触

Q) Which plants respond to touch接触?
......B) II, IV

I. Onion葱
II. Catchfly 捕虫草植物
III. Hibiscus plant 木槿植物
IV. Mimosa plant 含羞草

A) I, II
B) II, IV
C) II, III, IV
D) I, II, III, IV