(What) the family (is experiencing) basic change as a result of (historical) processes is (generally accepted) by people.（）

A:What B:is experiencing C:historical D:generally accepted

There is a computer system （）the company is experiencing problems.

A:with which B:as which C:such as D:for such

Peter is {{U}}experiencing{{/U}} a difficult period in his life.

A:going into B:going out of C:going over D:going through

Peter is experiencing a difficult time in his life.

A:going into B:going out of C:going over D:going through

Peter is experiencing a difficult time in his life.

A:going into B:going out of C:going over D:going through

Peter is experiencing a difficult time in his life.

A:going into B:going out of C:going over D:going through