In economics,specialization means:

A) producing something using only one type of natural resource.
B) producing something using only labor.
C) focusing efforts on a particular product or a single task.
D) producing only one unit of output.
E) producing something using only one unit of a variable resource.

Specialization in economics refers to the act of focusing efforts on a particular product or a single task. This can lead to increased efficiency and productivity as individuals, firms, and countries can specialize in what they do best and trade with others for goods and services they cannot produce as efficiently.