单选题
Probably
there is a good reason for her absence, as she doesn"t usually stay away from work.
【正确答案】
D
【答案解析】[解析] 副词词义辨析。conspicuously“显著地，明显地”；prospectively“可能，潜在，预期”；incidentally“偶然地，附带地”；presumably“大概，推测起来，可假定”。很明显，probably与presumably词义相同。故答案为D。