What time does she often go to school

Choose the letter A, B, C or D to answer these following questions

Miss Lam is a teacher. She is tall and thin. Her face is oval. Her hair is long and black. She has big and brown eyes. Her nose is small. Her lips are red and full. She is beautiful. And she is a good teacher, too. Every day, she often leaves home for school at 6:30. She enjoys her lunch at the school canteen. In the afternoon, she sometimes goes to the theater with some close friends of hers. After school, she comes back home at 5:00 pm.

Question: What time does she often go to school?