The answer is B. estudiante.
The article preceding it, 'las', is the plural feminine article. 'estudiante' in the sentence is singular only, but it is gender neutral. 'son' is the third person plural conjugation of the verb 'ser'. 'inteligentes' is an adjective that would refer to plural subjects. To fix the sentence, change 'estudiante' to 'estudiantes'.
Estas “escuchando” a tu maestra.
Si mamá, la “estoy” “escuchando”
Answer:
The symbol of dream is also supported with other literary techniques, for example, metaphors. Martin Luther King was known as a brilliant orator. His speech was always full of metaphors: metaphors helped to increase the emotional side of the text and to make a stress on the important ideas.
Explanation: