“It’s a secret….” he lowered his voice and whispered         no one could overhear it.

A．in case

B．even if

C．so that

D．as if

— ______

—E-R-A-S-E-R , eraser.         [ ]

A. Can you spell it?                

B. What's this?

C. Spell it, please.         

D. Do you spell it?