I believe your answer would be Kennedy wanted to give an inspiring speech without being long-winded. Hope this helps!
B because they murdered it and praise themselves
A - Although he denies them, Dr. Vasequez faced several scandals last year.
A complex sentences must have both a dependent clasuse (although he denies them) and an independent clause (Dr. Vasquez faced several scandals last year.
Options B and D are compound sentences (two independent clauses) and option C is a simple sentence.
Answer:
C or D but im leaning towards C
Explanation:
It couldn’t be. It wouldn’t be. Oh God. It was. The ice cream man from my nightmare had escaped.