The task is to select the word closest in meaning to the given term 'Candid'.
The definition of candid is being frank, open, and sincere in speech or expression. It can also mean being straightforward or free from reservation. Let's analyze the given options one by one:
After evaluating each option, Honest is the word that closely matches the meaning of '_candid_'.
Fill in the blank with the correct option.
The teacher believed that the student’s sudden lack of interest in class was an ..........., as he had always been enthusiastic and attentive.