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 sentences.
The hyperloop’s basic design and technology make it ideally suited for social distancing. It could be useful when the need arises.
1. suiting social distancing
2. useful for the need
3. when the need arises
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 3
5
All 1, 2 and 3