16. Which of the following statements best describes the role of age in L2 acquisition? (A) It is impossible to acquire a second language beyond certain age. (B) The older a person is when exposed to a second language, the more likely he/she is to achieve native-like competence. (C) There are sensitive periods for the native-like mastery of certian aspects of the L2. (D) Age is not important for L2 acquisition.