From the words or group of words lettered A-D, choose the word or group of words that best completes each of the following sentences.
This is the ______ he has submitted his assignment since joining the class.
The correct answer is: C
Explanation
"Earliest" is the correct form of adjective to use. The superlative form is used because it compares the time this assignment was submitted to all other times the assignment was submitted in the past.