A：$k\pi +\frac{\pi }{10},k\pi +\frac{3\pi }{5}\left(k\in Z\right)$

B：$k\pi -\frac{\pi }{20},k\pi +\frac{7\pi }{20}\left(k\in Z\right)$

C：$2k\pi +\frac{\pi }{10},2k\pi +\frac{3\pi }{5}\left(k\in Z\right)$

D：$k\pi -\frac{2\pi }{5},k\pi +\frac{\pi }{10}\left(k\in Z\right)$