Complete the sentence with the most appropriate word.
Laxmi's sons are the most _________ thing in her life.

Correct option is D

The correct option to fill in the blank is (d) important.
Explanation: "Important" is the adjective that describes something of great significance, which fits the context of "Laxmi's sons." (Hindi: महत्वपूर्ण)
Example: Education is the most important part of a child's development.
Explanation for incorrect options:
· Importancy: This is not a standard word in English, incorrect.
· Importance: A noun, but the blank requires an adjective.
· Importantly: An adverb, inappropriate in this context.