Does the author argue his point well?

You were given an exceptional iq so obviously you made valedictorian to change the tone of the sentence from resentful to complimentary, without changing the central meaning, which word most needs to be replaced? o a. exceptional o b. valedictorian o c. given o d. obviously

What is the italicized part in the sentence , all of the operators are efficient.

Irony is a between what is expected to happen and what actually happened