David's Motorcycle Would Occasionally Lose Power or Stall Out

David's motorcycle would occasionally lose power or stall out.David thought about possible solutions: changing the ignition wires,putting an additive in the gas tank,or taking his motorcycle to a mechanic and letting the mechanic figure out the problem.David decided to put an additive in the gas tank to see if that corrected the problem.Which of Sternberg's intelligences was David using?

A) emotional intelligence
B) creative intelligence
C) analytical intelligence
D) mathematical intelligence