The purpose of a agrumentative essay is to defend a debatable position on a spefic issue so the last one is the answer.
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.
B.) 2: A load would be the best anwer
I think that it is condition/ heatstroke but not sure
