—Excuse me, but I want to ride your bike to go to the book shop.

—You _________ have my bike if you don’t take care of it.

A．shan’t

B．might not

C．needn’t

D．shouldn’t

能被β-葡萄糖苷酶分段水解的是（）

A．红景天苷

B．水杨苷

C．胡萝卜苷

D．苦杏仁苷

E．芦荟苷