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,
What do you need egsatliny?
I'am not very good at spelling
Answer:
B. Start studying the day before the test
Answer:
Descriptive shaving details
Explanation:
Detailed motions that involve a sense of danger has the same effect that scary music has on a jump scare scene in a horror film.