The author of the text that contains this quote appeals to the reader's sense of logic by quoting an authority/expert on the matter. Taking into consideration that expert's opinions, in argument, are as close to a fact as you can get without actually using a fact, this shows us how your best answer here is option B.
Answer:
a anwer is right anwer ok
1. In the springtime, the park <u>had a </u><u>multitude</u><u> of ducks.</u>
2. I wasn't sure if I liked the music, <u>so I listened</u><u> tentatively.</u>
3. Does being on the dance team <u>entail</u><u> that I have to wear short shorts?</u>
4. Doing well on the test requires <u>extensive</u><u> consideration and contemplation of the answers.</u>
5. After an hour of <u>indecision</u><u>, I had finally decided to sing with Carl, instead of Lucia, for the talent show.</u>
6. Our school needed money to buy books for the library,<u> so a group of parents decided to be the </u><u>benefactors</u><u> and raised money for the school!</u>
The correct option is HARD PLEASURE.
An oxymoron refers to a compound word (two words written together) whose meaning are contradictory to each other. The two words that are used together in oxymoron usually have completely opposite meaning and authors usually use it to engage the interest of the readers. For instance in the correct option mentioned above, hard and pleasure has opposite meanings. Other examples of oxymoron are: same difference, bitter sweet, alone together, open secret, original copy, etc.