问题：
[单选题]The following passage is organized by the structure of ________. During the months from May to September, the Loggerhead turtle comes ashore to nest at night. First the turtle crawls out of the sea to the beach in search of the right place to build a nest for its eggs. Once the location is identified, the turtle digs a hole with its flippers that measures 8" wide and 18"deep. Next, he turtle lays around 120 eggs the size of ping-pong balls. The turtle then covers the nest by throwing sand over the nest with its flippers. The turtle does this to protect the eggs from predators. Finally, the turtle makes its way back to the sea, and does not return to attend to the nest.
Acompare and contrast
Bchronological sequence
Cclassification
Ddeduction
