What is the main difference between SLA and L2 acquisition?
a) SLA is the acquisition of a second language in a natural setting, while L2 acquisition refers to the learning of a second language in a formal educational setting.
b) SLA and L2 acquisition both refer to the learning of a second language in a formal educational setting.
c) SLA and L2 acquisition both refer to the acquisition of a second language in a natural setting.
d) SLA is the acquisition of a second language in a formal educational setting, while L2 acquisition refers to the learning of a second language in a natural setting.