During High School, Adolescents Have Developed Which New Enhanced Conceptual

During high school, adolescents have developed which new enhanced conceptual skills, as compiled by Newman and Newman (2003) from the work of Neimark (1982) and Gray (1990) ?

A) ​Ability to think about changes that come with time and the ability to hypothesize logical sequence of events
B) ​Ability to manipulate mentally more than two categories of variables simultaneously
C) ​Ability to foresee consequences of actions; ability to detect logical consistency or inconsistency in a set of statements; and ability to think in relativistic ways about self, others and the world
D) ​All of the above