How are the slot groups arranged in the ERX 700 Series Edge Router?

A.
Group1 – Slots 0 &1

B.
Group1 – Slots 2 &3

C.
Group1 – Slots 2

D.
Group1 – Slots 3

Explanation:
Group3 – Slots 3

Group3 – Slots 5

Group3 – Slots 4

Group3 – Slots 5