People are likely to be very active and aggressive__________.
单项选择题
A、when it is rainy and cloudy
B、as humidity increases
C、when there is little moisture
D、as temperature decreases
答案：C
【原题】：People are likely to be very active and aggressive__________.
单项选择题
A、when it is rainy and cloudy
B、as humidity increases
C、when there is little moisture
D、as temperature decreases
【解析】：推断题。根据文章第三段第三句“high humidity appears to reduce theincidence of physical activity and aggression．”可见．反过来低湿度情况TA-4J'1可能“active andaggressive”，所以C正确。A、B和D项均与原文内容不符。
