题目

People born in winter are more likely to suffer mental health disorders, according to a recent study carried out by researchers at Vanderbilt University in Tennessee. Researchers raised baby mice from birth to weaning (断奶) in either “summer” light cycles of 16 hours of light and 8 hours of dark or “winter” cycles of 8 hours of light and 16 hours of dark. A third group experienced 12 hours of light and 12 hours of dark a day. Then half the winter mice stayed in a winter cycle, while half switched to a summer schedule. The summer mice were similarly split. The mice raised in e下列关于电容器的说法，正确的是（　　）A．电容器带电量越多，电容越大B．电容器两板电势差越小，电容越大C．电容器的电容与带电量成正比，与电势差成反比D．随着电容器电量的增加，电容器两极板间的电势差也增大