He was born ____ a very cold night _____ December.
A. in; in B. In; of C. on; in D. on; of
He was born ____ a very cold night _____ December.
A. in; in B. In; of C. on; in D. on; of
D
特指某具体的一天、某天的上午、下午、晚上等都用介词on；而某月的某天用介词of，故答案选D。