Fill in the blank with the most appropriate choice.
We can use evidence from the present to ____________ about the past.

Correct option is D

• The sentence means: using present evidence to make a logical inference or estimate about what happened in the past.
• Extrapolate means to infer or estimate unknown information from known facts or trends. (Hindi meaning: अनुमान लगाना / निष्कर्ष निकालना)
• Therefore, it fits both grammatically and contextually: to extrapolate about the past.
• Example: Scientists extrapolate ancient climates from current geological evidence.

• (a) Foment: to instigate or stir up (often trouble). (Hindi meaning: भड़काना)
• (b) Alight: to land, or to get down from a vehicle. (Hindi meaning: उतरना / बैठना)
• (c) Fluctuate: to vary irregularly up and down. (Hindi meaning: उतार-चढ़ाव होना)