Why is 802.11a connectivity reduced in an X-ray room? 

Answer options:

A. X-rays create significant non-Wi-Fi interference on the 802.11a band.
B. X-rays impact the 802.11a UNII-2 channels that cause access points to dynamically change channels.
C. X-rays within these rooms cause multipath issues.
D. X-ray rooms exhibit increased signal attenuation.

D