Sixth-grade students have recently completed a social studies unit in which they studied exploration to the New World. Which of the following student activities would demonstrate the highest level of critical thinking?

A. Illustrating the exploration routes of various explorers on a map
B. Writing a composition from the perspective of an explorer
C. Answering multiple-choice questions about various explorers and the significance of their travels
D. Producing a timeline of events regarding exploration to America from 1600-1700