Select the correct line of HTML that activates the phone app of a mobile device.

A) < a href=”tel:+16178675309? target=”_blank”>
B) < a href=”call:+1-617-867-5309? target=”_blank”>
C) < a href=”tel:+1-617-867-5309? target=”_blank”>
D) < a href=”call:+16178675309? target=”_blank”>

Correct Answer:
A) < a href=”tel:+16178675309? target=”_blank”>