Expressions Such as "Get the Nod" Have More Than One

Multiple Choice

Expressions such as "get the nod" have more than one meaning.This emphasizes the fact that:

A) supervisors always make assumptions while using idioms during verbal communication.
B) the complexity of English fascinates nonnative speakers of English.
C) English has the potential to mislead.
D) nonverbal communication is more effective than verbal communication.