• A.<img src="https://timg.fentiku.com/javaimportItems/5b0239528f8043f0a36d41d713e18afa/images/a19cc.png"><br/>
• B.<img src="https://timg.fentiku.com/javaimportItems/5b0239528f8043f0a36d41d713e18afa/images/a21b3.png"><br/>
• C.<img src="https://timg.fentiku.com/javaimportItems/5b0239528f8043f0a36d41d713e18afa/images/a2a21.png"><br/>
• D.<img src="https://timg.fentiku.com/javaimportItems/5b0239528f8043f0a36d41d713e18afa/images/a3190.png"><br/>

正确答案：C