1. One of the non-manual markers for a WHO-WHAT-WHEN-WHERE-WHY-HOW (WH) question is
   

Asqueezing the eyebrows.

Bshaking the head.

Cshrugging the shoulders.

Dnodding the head up and down.

1. One of the non-manual markers for a YES-NO (Y/N) question is
   

Apulling the lips down into a frown.

Bmoving the head slightly forward.

Cnot looking at the person you are signing to.

Dshaking your head from side to side.