Question

1. Choose the word that best fills in the blank. He went into a long _______ about the outcome of the last election after it was mentioned on the news. A. assert B. fastidious C. rant D. quibble

Answer 1

C. Rant

When someone goes on and on about a specific topic, they're ranting. 

Such is implied in this case by the writer's usage of the word "long," implying he went on and on about the topic.

Answer 2

C. Rant
he went into a long rant about the outcome of the last election