Sandy Foster, a student at UHV Sugar Land, is looking for an apartment to rent. She is only considering apartments which are (1) on the bus line to Sugar Land campus, and (2) do not cost more than $400 per month. Sandy is using:

A. An expectancy value rule

B. A conjunctive rule

C. A lexicographic rule

D. A disjunctive rule

E. None of a, b, c, or d