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 virus has taught us the benefits of silence and solitude. We can look into ourselves and explore the deeper recesses of our consciousness.
1. so that
2. certainly
3. only when
1
Only 1
2
Only 2 `
3
Only 3
4
Both 1 and 2
5
All 1,2 and 3