属于铝热反应的是[ ]

A、Al+HCl        

B、Al+ Fe₂O₃      

C、Al+NaOH      

D、Al+O₂

— These grapes look really beautiful.

— They _______! See the price $3.99 a pound. Very expensive, aren't they!

[      ]

A. would

B. could

C. might

D. should