请选择DCBA,i8C,X(C+`5^*t;m1F0|'y1O:g“What are the students doing?”0g)H2O:w'[3|
“Some______ books and others ______ at the blackboard.”0g)H2O:w'[3|
A. are looking, are reading0g)H2O:w'[3|
B. are reading, are watching0g)H2O:w'[3|
C. are watching, are looking0g)H2O:w'[3|
D. are reading, are looking0g)H2O:w'[3|