________ than a century ago ________ of the things we're doing now were thought impossible.

1. A.
   Less, many
2. B.
   More, much
3. C.
   Fewer, few
4. D.
   Longer, more

________ than a century ago ________ of the things we're doing now were thought impossible.

[　　]

_________ than a century ago ________ of the things we’re doing now were thought of impossible.

  A. Less; many      B. More; much       C. Fewer; few      D. Longer; more