Which statement best clarifies personal goals related to ELLs' pronunciation of English?
a. A person's personal goals for pronunciation should not impact a teacher's instructional priorities.
b. Achieving a native-speaker level is a worthy, achievable goal for every individual learning a second language.
c. Aspiring to achieve international intelligibility will suffice for most students learning English as a second language.
d. Each person learning English as a second language deserves to be taught and challenged to achieve the highest possible standards regardless of personal goals.