A, carbon dioxide fire extinguishers will not leave any residual substances but destroy objects, and can be used to put out fires in places such as books and archives, so A is correct.

B, dry powder fire extinguishers will leave decomposed substances on the surface of the material after extinguishing, which will cause damage to books, so B is wrong.

C, foam in foam extinguisher will stick to the surface of the object and cause material damage, so C is wrong.

D, hydrochloric acid in simple fire extinguishers will cause damage to books, so D is wrong.

So choose a.