the answer is (A)! idioms mean <span>a group of words established by usage as having a meaning not deducible from those of the individual words</span>
Preform: a word or lexical unit that is dependent for its meaning on reference to some other part of the context or sentence. Antecedent: a word that precedes another.
To ready a pack for backpacking is surely quite a project. A person needs a stove, as well as matches. He should also pack a mess kit in addition to a first-aid kit. Not to mention, a canteen of water. Furthermore, he should have clean clothing. Another key point to realize is that one needs food, preferably freeze - dried. It is also important to pack a sleeping bag together with a rubber pad for under the sleeping bag.
