The correct answer is D. Honourary.
The correct spelling of the word is "honorary". The word "honourary" is not a word in the English language. The word "honorary" is an adjective that means "given or held as an honor, without the usual duties or responsibilities". For example, an honorary degree is a degree that is given to someone as a mark of respect, without the requirement that they complete the usual course of study.
The word "honourary" is sometimes used in British English, but it is not considered to be standard English. The word "honorary" is the preferred spelling in American English.
