Correct option is D
The correct answer is: “The company, along with its subsidiaries, is thriving in the market.”
(a) The group of friends were excited about the upcoming trip.
Error: The subject "group" is singular, so the verb should also be singular.
Correction: The group of friends was excited about the upcoming trip.
(b) Neither the book nor the movie were interesting to her.
Error: The subject "neither...nor" creates a compound subject that is singular. Therefore, the verb should be singular.
Correction: Neither the book nor the movie was interesting to her.
(c) Each of the players on the team were given a new uniform.
Error: "Each" is a singular pronoun, so the verb should be singular.
Correction: Each of the players on the team was given a new uniform.