At last,the boy acknowledged   the money from his mother’s pocket.

A．having stolen

B．to have stolen

C．have stolen

D．having been stolen

咽后脓肿多局限于一侧是因为（）

A.咽后脓肿多较小、

B.咽壁的纤维组织在后壁正中上形成咽缝

C.咽后隙在中线处被咽缝分隔为左右两部分

D.咽后脓肿形成的脓腔较局限

E.以上均不是