What word or phrase does the word “publication” in paragraph 4 refer to?

* Hướng dẫn giải

Đáp án : A

“publication” thay thế cho The Times trong: “In 1971, the Times was given a copy of the so-called “Pentagon Papers,” a secret government study of U.S. involvement in the Vietnam war. When it published the report, it became involved in several lawsuits.”