Which of the following best describes the rhyme scheme of the lines below?

then he climbed to the tower of the church,
up the wooden stairs, with stealthy tread,
to the belfry-chamber overhead,
and startled the pigeons from their perch
on the somber rafters, that round him made
masses and moving shapes of

possible answers:

122122

abbacc

1a2b3c

aabbcc