Which of the Following Is True About Bilingual Education

Which of the following is true about bilingual education?

A) It is a system of teaching non-English-speaking children in their native language while they learn English and later switching to all-English instruction.
B) It is an approach to second-language education in which English speakers and non-English-speakers learn together in their own and each other's languages.
C) It is an approach to teaching reading that emphasizes visual retrieval and use of contextual clues.
D) It is an approach to teaching English as a second language in which instruction is presented only in English.