A:90
B:150
C:105
D:33
Mr. Wang wants to go to the post ____. It's not far from his home. He walks ____Winter Street. He turns ____at Spring Street. Then he walks straight. It's over there. It's ____the flower shop and the ____.
(参考数据: 3 ≈1.732,sin15°≈0.2588,sin7.5°≈0.1305)