Jeff Spends Several Hours One Morning Studying Biology and Then

Jeff spends several hours one morning studying biology and then studies chemistry for the rest of the day. If Jeff were to experience retroactive interference, he would likely:

A) remember a lot more of the biology while having difficulty recalling parts of the chemistry he studied.
B) remember a lot more of the chemistry while having difficulty recalling parts of the biology he studied.
C) have equal recall for both the biology and chemistry material.
D) experience overload and have difficulty recalling both the biology and chemistry.