All parrots can learn to speak a few words and phrases. Not all parrots have equally pleasant dispositions, though some of those native to Australia can be counted on for a sweet temper. Almost any parrot, however, will show tremendous affection for an owner who raised the bird from a chick by hand-feeding it.
If the statements above are true, then which one of the following must be true?
(A) Some parrots that can learn to speak are sweet tempered
(B) If a parrot is not a native to Australia, then it will be sweet tempered only if it is hand-fed as a hick
(C) The sweetest-tempered parrots are those native to Australia
(D) Australia is the only place where one can find birds that can both learn to speak and be relied on for a sweet temper
(E) All species of pet birds that are native to Australia can be counted on for a sweet temper
Source: LSAT