Choose the correct punctuation for the dialog below.

A: “Well, if you’d told me,” David mumbled, “we could have worked it out".
B: “Well, if you’d told me” David mumbled, “we could have worked it out.”
C: “Well, if you’d told me,” David mumbled, “we could have worked it out.”
D: “Well, if you’d told me, David mumbled, we could have worked it out.”