The answer is D. Convene : Committee.
In the original pair, “muster” means to gather or assemble a group of people, and “crew” refers to a group of people who work together on a ship or other vehicle. In the answer pair, “convene” means to call a meeting of a group of people, and “committee” refers to a group of people who are appointed to carry out a particular task.
The other options do not have the same relationship as the original pair. In option A, “dismiss” means to send someone away, and “jury” refers to a group of people who are appointed to decide the guilt or innocence of a defendant in a court of law. In option B, “cheer” means to express happiness or support for someone or something, and “team” refers to a group of people who work together to achieve a common goal. In option C, “demobilize” means to disband a military force, and “troops” refers to a group of soldiers.