Select the most appropriate option to transform the following assertive sentence to an interrogative sentence.
Vijaya is the new English professor.

Correct option is D

The correct option is (d) Isn't Vijaya the new English professor?

Explanation:
The given sentence is a positive assertive sentence in the present tense. To convert it into an interrogative sentence without changing its meaning, the most appropriate transformation uses a negative question form that implies confirmation or seeks agreement.

Grammatical Rule (English):
A positive assertive sentence can be transformed into an interrogative sentence using a negative question (negative auxiliary + subject) that essentially affirms the same fact while seeking agreement.

• Positive assertive → Negative interrogative: Vijaya is the new English professor → Isn't Vijaya the new English professor?

• (a) Wasn't Vijaya the new English professor? – Uses the past tense (wasn't), which changes the tense of the original present tense sentence.
• (b) Who is the new English professor? – This is an open-ended WH-question that does not directly correspond to the assertive sentence about Vijaya; it omits Vijaya's name.
• (c) How is Vijaya the new English professor? – The use of How is inappropriate here; it questions the manner or way, which is not the intent of the original sentence.