The limits of a person’s intelligence，generally speaking，are fixed at birth，but________he reaches these limits will depend on his environment.(2012·安徽，27)

A．where? B．whether

C．that? D．why

The limits of a person’s intelligence, generally speaking ,are fixed at birth, but       he reaches these limits will depend on his environment.

A. where                     B. whether                  C. that                          D. why

The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.

A. where                             B. whether                           C. that                                   D. why

The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment

1. A.
   where
2. B.
   whether
3. C.
   that
4. D.
   why