Mark the letter A, B, C or D to indicate the sentence that is best written from the words/ phrases given.Câu hỏi I / want / study / USA, /I / try / learn / English. A. I want to study in the USA, but I try learn English. B. I want to study in the USA, so I try to learn English. C. I want to study in the USA, but I try to learn English. D. I want to study in the USA, so I try learning English.