Which of the following sentences does not contain an implied conditional?

Which of the following sentences does not contain an implied conditional?
A.If I had told you the truth, I would not be so worried now.
B.Without water, all lives would disappear.
C.But that I saw it, I couldn't have believed it.
D.Even stomes would shed tears.
正确答案：If I had told you the truth, I would not be so worried now.