The correct answer is B.
The paths are described as a web, meaning there is no one route that seems better than the others. This idea is further echoed by saying there are "no sure endings." It is not clear which path will take them to their destination.
Therefore, this description conveys the idea that there is no clear indication which way the group should go.
It's known as abstract nouns
is the answer in the essay right because i did this one before
Since 'next' is a time-order word, you need another.
'Then' is a time-order word. You are not stating a 'fact', nothing happened abruptly, or 'suddenly', and you aren't comparing anything, 'similarly'.
