Which sentence correctly combines the two sentences from the passage?

There is one person who helped ensure that I would be speaking to you today, one person who believed in me and encouraged me. It is Ms. Maple.

A. There is one person who helped ensure that I would be speaking to you today, one person who believed in me and encouraged me: Ms. Maple.

B. There is one person who helped ensure that I would be speaking to you today, one person who believed in me and encouraged me; “It is Ms. Maple”.

C. There is one person who helped ensure that I would be speaking to you today, one person who believed in me and encouraged me - Ms. Maple.

D. There is one person who helped ensure that I would be speaking to you today, one person who believed in me and encouraged me, it is Ms. Maple.