【单选题】Since a teachers response on a students paper is potentially an influential text in a writing class,we need to examine our practices carefully. Research on teacher response to writing provides help on...
A.
where to write comments on students' papers
B.
how necessary it is to assign a follow-up task to students
C.
whether to correct errors or indicate the location of errors
D.
how necessary it is to give positive comments on students' papers