The best way to rewrite the underlined part of the sentence is:
A: "in order to provide excellent shade in summer, and shelter in winter."
This option is concise and maintains a clear and parallel structure without unnecessary words.
The correct option is (A): in order to provide excellent shade in summer, and shelter in winter.
Fill in the blank with the correct option.
The teacher believed that the student’s sudden lack of interest in class was an ..........., as he had always been enthusiastic and attentive.