Choose the sentence that best combines each pair of sentences in each question. Circle A, B, C or D.Câu hỏi Emma had difficulty communicating with other foreign friends at first. She finally managed to do it. A. Because Emma had difficulty communicating with other foreign friends at first, she felt more confident. B. Emma finally succeeded in communicating with other foreign friends even though she found it difficult at first. C. Having difficulty communicating with other foreign friends at first, she finally failed to do it. D. Only when Emma had difficulty communicating with other foreign friends did she manage to do it.