For question 1 the correct answer is:
B. Open and honest communication contribute to a happy relationship.
the subject Open and honest communication is plural then the verb agrees to it
For question 2 the correct answer is:
D. Interesting news<u> is</u> what sells our paper.
the subject Interesting news is singular, so the congujation of the verb BE "is" is the correct one.
Frederick Lucas said that the preamble did its job in setting the tone of the document and makes it clear why the Founding Fathers wrote it. Hope this helps.
The answer is B. foreshadowing
The ansew based on what I know is D