In what lines of this final verse of “ode on a grecian urn” by john keats does the poem’s speaker seem to be directly addressing the reader? lines 3 and 4 lines 6 and 7 lines 4 and 5 lines 1 and 2

The correct answer is lines 6 and 7. 
In the final verse of “Ode on a Grecian Urn” by John Keats, the poem’s speaker seems to be directly addressing the reader in the lines below :"Line 6: When old age shall this generation waste,Line 7: Thou shalt remain, in midst of other woe"

I think the answer to the question is lines 6 and 7