Zheng and Glenn are talking about how a guy can tell if a woman likes him when they first meet. Given your knowledge of sensory systems, you could suggest that they look to see if the woman:
A) turns down the corners of her mouth
B) has enlarged pupils
C) gives off a subtle odour
D) starts to speak more softly

Question

Quizplus · Accepted Answer

Enlarged pupils are a physiological response that indicates attraction or arousal, and are controlled by the autonomic nervous system. This response is uncontrollable and therefore a reliable indicator of interest or attraction. The other options may not be as reliable or universal in indicating attraction.

Zheng and Glenn Are Talking About How a Guy Can