Answer
c.
Work Step by Step
The sebaceous glands produce a substance called sebum that could lead to the development of acne.
Option a. is incorrect. Option a. is pointing to blood vessels.
Option b. is incorrect. Option b. is pointing to a sweat gland.
Option d. is incorrect. Option d. is pointing to a muscle cell.
Option c. is correct. Option c. is pointing to a sebaceous gland.