【单选题】

I usually (经常) get up at 6:00 (41) the morning. Then I wash my face (42) brush my teeth. I (43) breakfast at 7:00. I live near school.After breakfast I walk (44) school with my brother. On (45) way to school, we talk about our lessons. The (46) are crowded (拥挤) in the morning. There (47) many people in the bus. Many of them are students. Some of them are (48) . They are wearing skirts. Some of them are (49) . They age wearing shorts.

My father is a businessman. My mother is a teacher. They (50) to work on their bicycles.
A、are B、is
C、am