Having the Capability to Use Formal Operational Thinking

Having the capability to use formal operational thinking:

A) is an indicator that an adolescent uses formal operational thinking exclusively.
B) does not necessarily imply that the adolescent uses it.
C) implies that an adolescent is likely to use it in science and math before using it for everyday reasoning.
D) implies that an adolescent is likely to use it for language arts and then in science and math.