[单选题]自助话费查询/打印终端，对于批价为“0”的详单记录只查询不打印。
A.正确
B.错误

Proofread the given passage on ANSWER SHEET TWO as instructed.
One of the most important non-legislative functions of the U.S Congress
is the power to investigate. This power is usually delegated to committees - 
either standing committees, special committees set for a specific（1）
purpose, or joint committees consisted of members of both houses.（2）
Investigations are held to gather information on the need for
future legislation, to test the effectiveness of laws already passed,
to inquire into the qualifications and performance of members and
officials of the other branches, and in rare occasions, to lay the（3）
groundwork for impeachment proceedings. Frequently, committees
rely outside experts to assist in conducting investigative hearings（4）
and to make out detailed studies of issues.（5）
There are important corollaries to the investigative power. One
is the power to publi