Which best defines couplet

A couplet is two lines of poetry that usually rhyme.

The correct answer is: A. Festivals held in honor of the dead are observed in many places throughout the world.

explanation.

A summary refers to a brief account of the ideas presented in a text or material. In this case, three different holidays or celebrations in different countries. Firstly, this text explains in Mexico which is a country located in Central America, there is a celebration called Day of the Dead which famous for the colorful costumes and the familiar union that shows they honor to their ancestors and their origin. Meanwhile, on the other side of the world or "Far East" which is a set of countries located in the East of Asia like China, Japan, Korea, Mongolia, Vietnam, Laos or Thailand, festivals of the dead related with some ceremonies are held, but these are calmer than the Mexican celebration. Finally, in the United States, the national holiday called Memorial Day focuses on the military field deaths honor, which is so different from the previous two holidays. So, as we see, the main idea of this text or summary is that Festivals held in the honor of the dead are held in many places.