请选出下面划线部分oul读音不同的选项（ ）

• A.c<span style="text-decoration-line: underline;">oul</span>d <br>
• B.w<span style="text-decoration-line: underline;">oul</span>d <br>
• C.sh<span style="text-decoration-line: underline;">oul</span>d <br>
• D.sh<span style="text-decoration-line: underline;">oul</span>der <br>

正确答案：D