给出以下单词和其部分定义，匹配每个单词的正确定义。


单词 匹配的定义
Dormant a. To make a sound like a bird
Equity b. A detailed plan
Chirp c. Period of inactivity
Scheme d. Ownership interest in a company
单词 匹配的定义

Dormant c. Period of inactivity

Equity d. Ownership interest in a company

Chirp a. To make a sound like a bird

Scheme b. A detailed plan