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.
I want to Watch/see a filming on T this evening
1/5 is the answer
Hope it helps!
1. Exhort
2. Galvanized
3. Hue
4. Incisive
5. Implacable
6. Ominous
7. Expedient
I tried my best it should be mostly right.
