【題組】52.
(A) It has been demonstrated that when a person ages, bilingualism delays the effects of dementia and can even increase the likelihood of recovering from a stroke.
(B) Studies have indicated that compared with those who speak only one language, bilingual people perform better on mental tasks such as problem-solving, planning, and memory recall.
(C) Thankfully, these beliefs have been proven false.
(D) Despite all the benefits of learning a second language, a few small disadvantages have been found.
(E) You may wonder: If all your friends and family speak the same language, what is the advantage of learning a second one?