I have to choose the sentence that has no error in italics. (Italicized)

a)Their lawyers are handling the case pro bono and not charging them a dime.

b)Yes, of course you can use (and) instead of a comma here.

c)Oh, I see the problem; this (three) should be an (eight) <-- I think

2 answers

No italics in a)?
isn't t a?