According to the speaker, yoga should NOT be described as ______

A．reading is more complicated than generally believed
B．reading ability is something acquired rather than taught
C．teachers should encourage students to read as widely as possible
D．teachers should do as little as possible in helping students learn to read

A．teachers can make their teaching activities observable
B．teachers can devise the most efficient system for reading
C．teachers can improve conditions at school for the students
D．teachers can enable students to develop their own way of reading