期权交易实际上是一种权利的双方有偿让渡。( )

单项选择题If drug manufacturer's programs are carried out, ______.A.Integrity Meds will gain large profitsB.discounted medicines will be more popularC.old and poor people will receive maintenance drugs free of chargeD.Rx Depot's appeal will succeed

单项选择题男性，16岁，右腹股沟肿物一年，无疼痛。查体：右腹股沟内侧肿物2cm×2cm，无触痛，平卧可消失，右侧外环口直径2cm，松弛此病人应首先考虑诊断