Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentence.
It's been a very long time. I haven't met all my friends from college after that.
1. Since
2. Although
3. Either...or.
1
Only 2
2
Only 2 and 3
3
Both 1 and 2
4
Only 1
5
Only 3