The glasses fit me well, ________ I don't want to buy them for they're too expensive.

1. A.
   or
2. B.
   but
3. C.
   so
4. D.
   and

The glasses fit me well, ______ I don't want to buy them for they're too expensive．

A．or                  B．but              C．so                D．a(chǎn)nd