15. A group of children ______ around the old man, listening to him telling the story and they ______ when it came to something really exciting.

A．were gathered; held their breaths

B．gathered; held their breath

C．gathered; held their breaths

D．were gathered; held their breath

女性，38岁，因颈部触及淋巴结肿大而就诊，B超见肝、脾增大，内见散在的低回声小结节，于腹膜后大血管旁见许多球形低回声结节，大小不等，最大直径＞4.0cm，并可见结节融合，融合结节相互之间界线清晰，结节内部回声均匀。患者可能性大的诊断是

A．淋巴结炎

B．卵巢癌淋巴结转移

C．恶性淋巴瘤

D．结核性淋巴结肿大

E．胰腺囊腺癌淋巴结转移