Read the sentence below carefully and answer the question that follows.

If only Marvin wouldn’t be so critical, if he could look through rose-colored glasses once in a while, he’d be much happier.

Based on its use in context, which of the following is the BEST definition of the idiom “look through rose-colored glasses”?

A.
look at things more clearly
B.
see the bright side
C.
wear glasses that fit
D.
see the truth