Which sentence does not contain any errors in the use of italics or quotation marks?

A.
I just have to dot an "i" and cross a "t" or two.<< i think

B.
I just have to dot an i and cross a t or two.

C.
I just have to dot an i and cross a t or two.

D.
I just have to dot an "i" and cross a t or two.