Human beings can exhibit complex, goal-oriented behavior without conscious awareness of what they are doing. Thus, merely establishing that nonhuman animals are intelligent will not establish that they have consciousness.

Question: Which one of the following is an assumption on which the argument depends?
Options:
A. Complex, goal-oriented behavior requires intelligence.
B. The possession of consciousness does not imply the possession of intelligence.
C. All forms of conscious behavior involve the exercise of intelligence.
D. The possession of intelligence entails the possession of consciousness.
E. Some intelligent human behavior is neither complex nor goal-oriented.
Answer: "A"