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.
We wake up. We check our phone for messages.
1) as soon as
2) because we are awake
3) even when we check
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 3
5
Both 1 and 2