• A.<img src="https://timg.fentiku.com/javaimportItems/44851d922c6f4f98b3ddcbd1eb008310/images/f12d9.png"><br/>
• B.<img src="https://timg.fentiku.com/javaimportItems/44851d922c6f4f98b3ddcbd1eb008310/images/f18ed.png"><br/>
• C.<img src="https://timg.fentiku.com/javaimportItems/44851d922c6f4f98b3ddcbd1eb008310/images/f1e2a.png"><br/>
• D.<img src="https://timg.fentiku.com/javaimportItems/44851d922c6f4f98b3ddcbd1eb008310/images/f239d.png"><br/>

正确答案：A