The sentence that the verb agrees with the subject is, option A. Island of the Dolphins is based on a true story. The subject of the sentence is "Island of the Dolpins" and the verb used is "is". A singular form of the verb is used because the subject is in a singular form too. The subject described by the verb is a title of a Novel.
Hi, here you are:
I choose the last one: x2=3/4
Answer:
a moral lesson, im highly guessing
