Q:<img src="https://storage.tutusouti.com/pzst/question_bank/res/6f/65/6f651ccada7a6a1285384bbf16ccd282f6eee6e1.jpg?x-oss-process=image/sharpen,200,https://static.cnmooc.org/repositry/umeditor/i/1803/17/bd7550039aac421eb590d70c0938756c.png"/><br/> A、<img src="https://storage.tutusouti.com/pzst/question_bank/res/6f/44/6f44b4cfeb6aee8ea39967fffc0c949491b85721.jpg?x-oss-process=image/sharpen,200,https://static.cnmooc.org/repositry/umeditor/i/1803/17/15dc3e125867460d99264de7da22d0ba.png"/><br/> B、<img src="https://storage.tutusouti.com/pzst/question_bank/res/10/92/1092142a4db65b8d00dd54be48ec909ed29967e5.jpg?x-oss-process=image/sharpen,200,https://static.cnmooc.org/repositry/umeditor/i/1803/17/33800964b2c84cb89bd4dfebc59f4637.png"/><br/> C、<img src="https://storage.tutusouti.com/pzst/question_bank/res/7b/32/7b323b38bfdf8b4189255649e7010a82d8b7262d.jpg?x-oss-process=image/sharpen,200,https://static.cnmooc.org/repositry/umeditor/i/1803/17/13aadae01fa44cc999b1595bc6a705af.png"/><br/> D、<img src="https://storage.tutusouti.com/pzst/question_bank/res/6e/4a/6e4a766315c3d660b54ffcbdf9ed90eca9dad813.jpg?x-oss-process=image/sharpen,200,https://static.cnmooc.org/repositry/umeditor/i/1803/17/b0764e21e9164a278147dac733068422.png"/>