Given:<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080111473945139.png" /><br /> What is the result?()<p> Given:<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080111473945139.png" /><br /> What is the result?()</p>
A、A.2.1.0
B、B.2.1.1
C、C.3.2.1
D、D.3.2.2