I hear that his sister ______ her husband five years ago.
选择一项：
a. got married to 解析：考查动词的时态。句意：我听说他姐姐五年前嫁给她丈夫了。five years ago意为“五年前”，用于一般过去时；marry sb/get married to sb意为“嫁／娶某人”。。
b. married to
c. has been married with
d. has married