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.
Eaten is the past participle for eat.
Page 6, is where Lennie talks about tending the rabbits in the book of mice and men.
Answer:
the first thing that comes to mind is guilty