—It's said the Nanjing Airport light rail_________ into service in two months.— That's great! It will be fast to go to the airport.
A:puts
B:will put
C:is put
D:will be put
医生在给人体抽血化验时,用一根橡皮胶管将上肢的上臂扎紧,一会儿上肢前臂靠肘关节处的血管暴起,该血管是( )