When children learn to use their "quiet voices" in the library,they are learning rules of

A) syntax.
B) semantics.
C) pragmatics.
D) phonology.

Pragmatics

The branch of linguistics that studies how context influences the interpretation of meaning.

Phonology

The sound system of a language, which includes the sounds used and rules about how they may be combined.

Syntax

The set of rules, principles, and processes that govern the structure of sentences in a given language, including word order.