A. Being bitten B. Bitten C. Having bitten D. To bebitten 解析:本题考查非谓语动词作状语,其逻辑主语应和句子主语the postman一致,the postman应该是被咬,所以答案为B。 例16.___ in the fields on a Marchafternoon, he could feel the warmth of spring. A. To...