Which sentence is punctuated correctly?

A: I think he meant that “Some people will always want to know the truth about current events from an unbiased source.”

B: I think he meant that some people will always want to know the truth about current events from an unbiased source.

C: I think he meant “that some people will always want to know the truth about current events from an unbiased source.”

B: I think he meant that some people will always want to know the truth about current events from an unbiased source.