What is the correct answer to this question. The given answer is C. HTTPS but does not seem like it is correct

What is the correct answer to this question. The given answer is C. HTTPS but does not seem like it is correct. Question is saying the security engineer is deploying a new wireless network but what does HTTPS have to do with wireless network? I am assuming we have to enable the highest wireless encryption Which is correct answer please explain.

Question:

A security engineer is deploying a new wireless for a company. The company shares office space with multiple tenants. Which of the following should the engineer configured on the wireless network to ensure that confidential data is not exposed to unauthorized users?

A. EAP

B. TLS

C. HTTPS

D. AES