JSP注释一共有3种，分别是：//注释内容 或 /*注释内容*/、和。
Choose the best answer from the four choices.
A. They are often washed well to be clean.
B. They cannot be killed and eaten for food.
C. They can’t walk around freely by themselves.
D. They walk with a rope around for their safety.
Choose the best answer from the four choices.
A. They worried about the protection of cows.
B. They asked the government to protect cows.
C. People saw them killing the treasured cows.
D. People mistakenly thought they killed cows.
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