— I've studied growing plants as one of my interests. Could  I  make some suggestions?

— ___________.  [ ]

A. You will make it    

B. Go right ahead  

C. Don't mention it    

D. Take it easy

下列规律错误的是(    )

A．离子半径：F^-<Cl^-<Br^-<I^-

B．稳定性：HI >HBr>HCl>HF

C．还原性：HI>HBr>HCl>HF

D．氧化性：F₂>Cl₂>Br₂>I₂