The statement that best represents the power of the modern-day monster on readers is D. Readers are forced to consider the possible monstrous actions inside of themselves, like hatred or prejudice. The author states that the monster can be anywhere and everywhere, but we only see it when it springs upon us or from within us.
Main clause: Chris's chief interest was tennis.
subordinate clause:which he was just learning to play/adverb or adverbial clause of time
Organisers of the very first race report that all but 500 of the 15,000 places have now sold out, just a month after they were first released to the public. For anyone itching to be the very first winner, there are only days left to get your entry in.
1.- report because Organizers is plural.
2.- have because 500 of the 15000 is plural.
3.- They were
4.- I don't see any other verb disagreement.
The answer is independent clause