A person who demonstrates high standards, such as in doing a homework assignment meticulously, could be described as ____.

A. disconsolate
B. gaunt
C. fastidious

C. fastidious

The correct answer is C. fastidious.

To determine the correct answer, it's important to understand the meanings of the given options and how they relate to the description provided.

A. "Disconsolate" means extremely sad or unhappy, which does not describe someone who demonstrates high standards or meticulousness in completing a homework assignment.

B. "Gaunt" means thin and bony, typically as a result of illness or hunger. This word does not describe someone with high standards or meticulousness either.

C. "Fastidious" means very attentive to and concerned about accuracy and detail. This word accurately describes a person who demonstrates high standards and meticulously completes their homework assignment.

To get the answer, you need to understand the definitions of the options and their contextual meaning in relation to the provided description. By eliminating the options that do not match the description and picking the one that does, you can arrive at the correct answer.