So far this year, many new houses ________ in Wenchuan with the help of the government.

A．build

B．are built

C．will build

D．have been built

丁某行路途径蔡某家门口，蔡某养有一只狼狗，蔡某的邻居华某唆使狼狗扑咬丁某，致丁受伤，丁某的医疗费（）。

A、由蔡某负担

B、由华某负担

C、由丁某自负

D、由蔡某、华某分担