Source text: time is but the stream i go a-fishing in. i drink at it; but while i drink i see the sandy bottom and detect how shallow it is.

which of the following correctly punctuates the changes made to the above excerpt?

thoreau relates time to a stream, "i drink at [the stream]; but while i drink i see the sandy bottom and detect how shallow it is."

thoreau relates time to a stream, "i drink at . . the stream; but while i drink i see the sandy bottom and detect how shallow it is."

thoreau relates time to a stream, i drink at [it]; but while i drink i see the sand