The excessive use of mother-tongue is

Correct option is B

Excessive use of the mother-tongue in an English classroom poses a challenge by reducing exposure to the target language. This hinders vocabulary development, pronunciation, and grammatical proficiency. While the mother-tongue may occasionally aid comprehension, overreliance can limit immersion, an essential component for mastering English.
Information Booster
1. Language immersion is vital for fluency development.
2. Balanced bilingual teaching fosters comprehension without overdependence.
3. Overuse of the mother-tongue restricts vocabulary acquisition.
4. Strategies like translanguaging can be useful for beginners.
5. Creating an English-rich environment promotes active usage.
Additional Knowledge
· (a) Helpful in learning English: Appropriate use aids comprehension, but overuse can hinder proficiency.
· (b) A challenge to learning English: Excessive dependence limits exposure and fluency development.
· (c) A substitute for learning English: Misconception as English learning requires active practice in the language.