In "sympathy," what does the caged bird's willingness to injure itself by beating its wings against the cage suggest?
a. the desire for freedom can lead to desperate, futile actions.
b. captivity can breed total insanity.
c. no injury is as damaging as one inflicted on a animal.
d. cruel treatment drives creatures to behave cruelly themselves.

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.