问题补充：
is the first time that he invited to Japan after so heavy disaster.
A. It; has been
B. This; has
C. It; has
D. That; has been
答案：
(答案→)A. It; has been
B. This; has
C. It; has
D. That; has been
解析： 考查句型： it is + the first time + that 后应用先在完成时态。句意： 在如此严重的灾难之后这是他第一次被邀请去日本。所以选A。
