Which specification can associate VLAN groups to Spanning Tree instances to provide multiple forwarding paths for data traffic and enable load balancing?

Which specification can associate VLAN groups to Spanning Tree instances to provide multiple
forwarding paths for data traffic and enable load balancing?

A.
IEEE 802.1w (RSTP)

B.
IEEE 802.1s (MST)

C.
IEEE 802.1d (STP)

D.
IEEE 802.1Q (CST)