Final answer:
The teacher should scaffold instruction to support the student's comprehension.
Step-by-step explanation:
To best support the development of the student's academic language proficiency, the teacher should B. Scaffold instruction to support the student's comprehension. Scaffolded instruction involves providing support and guidance to help students understand and complete tasks. The teacher can use various strategies such as visual aids, vocabulary support, sentence frames, and graphic organizers to help the student understand and respond to questions in science class.