The answer is: [D]: "higher" .
_______________________________________________________
Note:
_______________________________________________________
Choice: [A]: "more high"; — is grammatically incorrect at all costs.
_______________________________________________________
Choice: [B]: "highest" ; — is the "superlative" — NOT the "comparative".
_______________________________________________________
Choice: [C]: "more higher"; — is grammatically incorrect at all costs.
_______________________________________________________
Choice: [D]: "higher" — is the comparative form and is grammatically correct.
_______________________________________________________
Answer:
The reason that Wilson thinks Gatsby killed Myrtle is because Tom told Wilson that Gatsby was the owner of the yellow car that had hit Myrtle. Wilson thinks that the reason as to why he killed her is because he didn't want to talk to her for the moment.
Explanation:
An idiosyncrasy is a characteristic, habit, mannerism, or the like, that is peculiar to an individual.