Refer to the information below to answer the question.
In a Multilevel Security (MLS) system, the following sensitivity labels are used in increasing levels of
sensitivity: restricted, confidential, secret, top secret. Table A lists the clearance levels for four users,
while Table B lists the security classes of four different files.
In a Bell-LaPadula system, which user has the MOST restrictions when writing data to any of the four
files?

A.
User A
B.
User B
C.
User C
D.
User D