第12题: [单项选择]Watching me pulling the calf awkwardly to the barn, the Irish milkmaid fought hard to___________ her laughter. A. hold back B. hold on C. hold out D. hold up 参考答案:A 答案解析:hold back是“阻挡,抑制”。B.hold on是“坚持,继续”;C.hold out是“维持,坚持”; D.hold up是“举起,拦截”。