A personnel monitoring device cannot :

C
Explanation: A) Personnel monitoring devices play a valuable role in recording the amount and type of radiation received, but they do not stop radiation from exposing the wearer.
B) Personnel monitoring devices play a valuable role in recording the amount and type of radiation received, but they do not stop radiation from exposing the wearer.
C) Personnel monitoring devices play a valuable role in recording the amount and type of radiation received, but they do not stop radiation from exposing the wearer.
D) Personnel monitoring devices play a valuable role in recording the amount and type of radiation received, but they do not stop radiation from exposing the wearer.