• A.<img src="https://timg.fentiku.com/javaimportItems/5a0ee0818ee541a6b8e9f3450511d5c6/images/10691.png"><br/>
• B. C.<img src="https://timg.fentiku.com/javaimportItems/5a0ee0818ee541a6b8e9f3450511d5c6/images/11322.png"><br/>
• C.<img src="https://timg.fentiku.com/javaimportItems/5a0ee0818ee541a6b8e9f3450511d5c6/images/1220d.png"><br/>
• D.<img src="https://timg.fentiku.com/javaimportItems/5a0ee0818ee541a6b8e9f3450511d5c6/images/1311e.png"><br/>

正确答案：B