Select the most appropriate option that can substitute the highlighted segment in the given sentence.
My friends are on a trip to the world.

Correct option is D

The correct replacement is (d) around the world.
Explanation:
The phrase "around the world" is commonly used to describe traveling to different parts of the world. "To the world" is incorrect as it implies reaching a single destination rather than moving around.
Correct sentence: My friends are on a trip around the world.
Grammatical rule used: When describing global travel or visiting multiple places, "around" is the correct preposition to use.
Explanation of the grammatical rule in Hindi: "Around" का उपयोग तब किया जाता है जब दुनिया या किसी स्थान के विभिन्न हिस्सों की यात्रा को व्यक्त किया जाता है।
Meanings of other options in detail:
· (a) in the world:
· Incorrect: Implies being inside the world, not traveling globally.
· (b) by the world:
· Incorrect: Does not fit the context; "by" indicates proximity or method.
· (c) within the world:
· Incorrect: Implies being confined inside the world, not traveling around it.