函数Len("balabala")的值是( )。 A: 4 B: 6 C: 8 D: 10

寒假至今，在家待了近3个月，你听到你妈妈对你说的最贴心的话，是哪一句？ A: You see see you, one day day's.Go back to school, I don't want to serve you everyday! B: You should good good study, day day up. Otherwise you won't get a good job after graduation. C: You're still playing games and sleeping in, aren't you? Don't give you some color to see see, you don't know who I am. D: None of the family members had the coronavirus. As long as alive. Mother no longer force you to study. And balabala........