cture, ________ at 7:00 pm last night, was followed by a discussion.

下列各句中成语的使用正确的一项是（ ）

Many young adults find it hard to make their own decisions.—Well, they have to choose and be responsible for their actions.

Now that you like the computer so much, why not buy one?— Well, I can’t afford ______ computer at present

Nowadays people are more concerned about theenvironment _______ they live