Answer:
The strategy I would use to find the meaning of the word "lethargic" in the sentence is:
b. definition.
Explanation:
A context clue is something offered by the author, directly or indirectly, that helps readers understand the meaning of a certain word. Context clues usually come in the same sentence as the word they refer to or in a neighboring sentence.
There are several types of context clues, but the one used in the sentence we are analyzing here is providing a definition or an explanation of lethargic. In other words, as soon as the word lethargic is mentioned, the speaker proceeds to explain what it is by detailing the symptoms: heavy eyelids, lack of movement, slow brain function. The speaker is defining what lethargic means to help readers comprehend its meaning.
