Question

1. carlsbad caverns national park has changed since jim white first explored its caves with his homemade ladder. today, a person can explore its caves in comfort or, if he or she chooses, do it the way old jim did. 2. carlsbad cavern is one of 118 caves that make up carlsbad caverns national park. it is the most famous and the easiest to explore. over the years, it has been paved, lit with electric lights, and made wheelchair - friendly. today, a person can tour its many rooms without even breaking a sweat. 3. spider cave is another of the 118 caves, but dont mistake its level of difficulty. its not a leisurely stroll. people who explore spider cave will find no lights, no sidewalks, and no mercy. a trip through spider cave is a series of tight, dirty crawls followed by high, sweaty climbs. spider cave is a limestone maze that gives even experienced cavers trouble! 4. if youre planning a trip to carlsbad caverns national park, be prepared. you never know what you might get yourself into. what is the central idea of the article? a carlsbad caverns is one of 118 different caves in carlsbad caverns national park. b carlsbad caverns national park offers visitors different ways to experience the caves. c the people who run carlsbad caverns do not want visitors to be lost in the dark. d people who are in good shape are more likely to enjoy a visit to spider cave.

Explanation:

The text first mentions that visitors can explore caves in comfort or in the old - fashioned way. Then it describes Carlsbad Cavern (easy to explore with modern facilities) and Spider Cave (difficult, no lights or sidewalks). This shows different experience options.

Answer:

B. Carlsbad Caverns National Park offers visitors different ways to experience the caves.