Question

what is the cheapest way for college students to call home?
a. a phone card
b. a private phone line
c. a cell phone
d. a voip service

Explanation:

The question asks for the cheapest way for college students to call home. A phone card typically offers low per-minute rates without recurring monthly fees, making it cost-effective for occasional calls home compared to private phone lines (fixed monthly costs), cell phones (data/voice plans), or VoIP (may require internet access and setup).

Answer:

A. A phone card