Yes, the correct answer is C.
Orwell's purpose in writing is to persuade readers that vague language is often used to soften harsh reality. With this essay, Orwell is hoping to make readers more aware of what political language is really doing, and in so doing, make readers better citizens.
A conditional statement, symbolized by p q, is an if-then statement in which p is a hypothesis and q is a conclusion. The logical connector in a conditional statement is denoted by the symbol. The conditional is defined to be true unless a true hypothesis leads to a false conclusion.