It’s a subcordanating conjunction
The Knight is dressed in a tunic made of coarse material ; he wears a suit of armor that is stained by rust. He has a horse which he take care of it better than himself.
Answer: The complex sentence comtain a dependent clause.
Explanation: Because one of the rules of complex sentence is dependent, independent clause.
C makes the most since to me try putting them in sentences like this it might help
A. This __<u>Dresses</u>___ collar is stained and wrinkled.
or
B. This <u> Dress' </u> collar is stained and wrinkled.
or
C. This <u> Dress's </u> collar is stained and wrinkled.
witch one makes the most since to you :D
The answer is D: studies have suggested that eating a diet fulll of vitamins, minerals, and fiber can help lead longer healthier lives.