It is just what it says: the subject alone, stripped from an other words associated with it.
Ex.
The fancy red sports car in my garage is broken.
complete subject = fancy red sports car
simple subject = car
By explaining researched facts. I'm sorry if this is wrong, but I am very sure it's right. Stay safe out there! ^v^♥
I think its A or B they both seem right
Answer: A
Explanation: Because he mentions the positive fact (it want injury him) and the negative fact (it'll embarrass them)