What is the meaning of the word ‘Thrive’? 

Because thrive is to grow or develop well or energetically, option D is the correct answer.
Prosper and flourish are synonyms for thrive.

A flourishing business is said to be one that is growing luxuriantly, or prospering. Around 1850, the use of or to be engaged in activity or production reached its peak. He flourished his sword, as an illustration. She flourished the door open. She formally signed the bill into law with a flourish.
Prosper is to succeed in a business or activity, particularly in the sense of achieving financial success or growing powerful and flourishing. transitive verb meaning to make flourish or succeed.
Hence, option D is the correct answer.