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.
(A) How the heat has been climbing over the past few weeks.
(B) It's shocking for me.
1. to me what's shocking is
2. shocking me
3. few past weeks
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 2
5
All 1,2 and 3