HOW MANY STUDENTS ARE CARRYING THE BOOKSHELF

17. - BAI TAP TIENG ANH CHUYEN DE CAU BI DONG CO DAP AN
BAI TAP TIENG ANH CHUYEN DE CAU BI DONG CO DAP AN
17. How many students are carrying the bookshelf? A. By how many students are the bookshelf being carried? B. By how many students is the bookshelf being carried? C. By how many students is the bookshelf been carrying? D. By how many students are the bookshelf be carrying?