The answer to this question is B
You should first read and understand what you are trying to accomplish with the writing. Making an outline doesn't hurt either.<span />
D. Dear Rosanna, I just heard your good news use correct punctuation
You will never put anything else except the comma after dear... in any letter.
The correct answer is C indeed. You should always use pointing words. If you don't your paragraphs might be incoherent and may lack cohesiveness.
The two meanings for find would be
1. To unexpectedly realize something.
2. To unexpectedly realize the existence of something.
Example of definition 1: I walked inside to find a dog waiting in my room. (Realized the dog was a dog in the room.)
Example of definition 2: I never thought I would find aspartame in diet drinks. (Realized the existence of something, in this case aspartame)
I know it isn't much of a difference, but I'd say the homonym for find would be definition 2.