What was the plane equipped with

A．English learning at school usually takes a long time.
B．More and more people want to learn English nowadays.
C．It is not necessary for many people to go to English speaking countries to learn English.
D．It is more difficult to learn English quickly than to learn it slowly.

A．Raising the eyebrows.
B．Shrugging the shoulders.
C．Nodding and shaking the head.
D．The way we dress and the colors we wear.