31. Stronger and more lasting memories are likely to be formed ________a person is relaxed.

A. where       B. unless       C. when        D. Although

Stronger and more lasting memories are likely to be formed ________a person is relaxed.

A. where       B. unless       C. when        D. although

31. Stronger and more lasting memories are likely to be formed ________a person is relaxed.

Stronger and more lasting memories are likely to be formed ________a person is relaxed．

    A．where       B．unless           C．when        D．although

Stronger and more lasting memories are likely to be formed ________a person is relaxed．

1. A.
   where
2. B.
   unless
3. C.
   when
4. D.
   although