Whatistheteacherdoingintermsoferrorcorrection? T:Doesanyofyouhaveapetathome? S:Ihavedogathome. T:Oh,Iseeyouhaveadogathome.Isyourdogbigorsmall?
A.Helping self-correction.
B.Issuing indirect correction.
C.Tolerating correction.
D.Peer correction.
正确答案是C