A. WHEN THEY ARE ON B. EVEN THOUGH THEY COULDN'T FIND...

3. - 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
3. A. when they are on B. even though they couldn't find C. as they don't need to find D. as long as they couldn't eat