❓ 题目 According to the passage, which of the following best exemplifies 'ethnolectal retention'?
- A. A second-generation immigrant abandoning all parental language features to blend into the mainstream.
- B. A minority community deliberately preserving certain vowel sounds to assert their identity.
- C. A rural speaker adopting urban speech patterns to improve job prospects.
- D. A government policy mandating the use of a standard language in schools.