Which One of the Following Is the Best Example of Problem-Based

Multiple Choice

Which one of the following is the best example of problem-based learning?

A) Using a map to find a "secret treasure" in a local park helps students acquire new map-reading skills.
B) Reading two different descriptions of a single historical event helps students understand that historical writing is often biased in accordance with an author's political views.
C) Solving a variety of mathematical word problems helps students practice the basic addition and subtraction facts they've previously learned.
D) Following a teacher's instructions in a chemistry lab gives students first-hand experience with some of the chemical reactions they've been studying in class.