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.
The order had to be placed immediately. It had to be delivered before her birthday.
1. In order to
2. Whereas
3. Plus
1
Only 2
2
Only 3
3
Only 1
4
1 and 2
5
2 and 3