Which of the following is NOT mentioned in paragraph 5 as a factor that has increased deer

Which of the following is NOT mentioned in paragraph 5 as a factor that has increased deer populations？

A．A reduction in the number of predators

B．Restrictions on hunting

C．The effects of logging and fire

D．Laws that protect feeding grounds of deer

请帮忙给出正确答案和分析，谢谢！