为自己加油

Choose the closest paraphrased version after the following sentence or the italicized part. 

This is what I sought, and though it might seem too good for human life, this is what——at last——I have found.（ ）

A.
...though it is not desirable, this is what I've  been looking for.
B.
...though it is not believable, this is what I've been looking for.
C.
...though it seems to exist only in heaven, I've eventually found it.
D.
...though it seems too far away for other people, I've actually found it.