The window often symbolize the time and life in the poems. For example, in the verses of the Russian poet Yesenin window symbolizes two periods of the poet's life - his childhood and youth. In addition, in some verses the window separates the outer and the inner world of the poet.
B. is correct because Jasmine is someone they have heard and D would exclude Jasmine as well. B is saying she's better than anyone else. Hope this helps!
