WHY DOES THE CLERK MENTION HER SISTER

4. - ĐỀ THI OLYMPIC ĐỒNG BẰNG SÔNG CỮU LONG TRƯỜNG THPT THỊ XÃ SA ĐÉC
ĐỀ THI OLYMPIC ĐỒNG BẰNG SÔNG CỮU LONG TRƯỜNG THPT THỊ XÃ SA ĐÉC
4. Why does the clerk mention her sister? A. To say that she can help the student find the book B. To point out the way that she acquires her books C. To note her association with Spider Books D. To state that she can get him some materials online