The fragment that is made up of a complete predicate is option A. "could not be heard above the voices in the hallway"
In grammar, the predicate is defined as the part of the sentence that contains the verb and gives information about the subject.
Option A is the only option that contains a verb, in this case "could" and it is providing information about a subject we don´t know. The only options lack verbs,
To make something less confusing or to ake clearer
A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
B.Explains why the paper is written.
Hope this helps(this statement is overused)
Answer:
I would say c. grandma, my late Grandfather
Explanation:
The question lit says the answer