her red pen in hand, the language arts teacher very carefully graded the tests

what is the adverb intensifer
a carefully
b red
c very
d langage arts

a carefully

The adverb intensifier in the sentence is "very."

The adverb in this sentence is "carefully." An adverb is a word that modifies or describes a verb, adjective, or another adverb. It provides more information about how the action is performed, in this case, how the teacher graded the tests.

To identify the adverb in this sentence, you can ask yourself "How did the teacher grade the tests?" In this sentence, the teacher graded the tests "carefully," indicating the manner in which the action was performed. Therefore, option A, "carefully," is the correct adverb intensifier in this sentence.