This is what I sought, and though it might seem too good for hum

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.
【正确答案】：C