His grandma two years.A. died; since B. has been dead; for C. has died; for

问题补充：

His grandma two years.

A. died; since B. has been dead; for C. has died; for

答案：

解析：句意：他奶奶去世两年了。die是短暂性动词不和时间段连用，应该用其形容词形式，since后加时间点，for后加时间段。这里two years是一段时间，用for。故选B。

考点: 考查动词时态的用法。