Respuesta :
Answer:
English Language proficiency can only be determined through testing.
The central idea of the passage from "Mother Tongue is D. English language proficiency can only be determined through testing.
What is a central idea?
The central idea has to do with the main idea or the message that is expressed by the author in a literary work.
In this case, the central idea of the passage from "Mother Tongue is that English language proficiency can only be determined through testing.
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