Which One of the Following Best Reflects the Trade-Off Between

Which one of the following best reflects the trade-off between practicality and validity?

A) Mr.Andrade is trying to decide whether to assess his students' knowledge about tennis either by giving them a paper-pencil test about the rules of the game or by having them get on the tennis court to show how well they can play the game.
B) Mr.Bowman is trying to decide whether an essay question about Romeo and Juliet or one about The Merchant of Venice would be more suitable for finding out what his students have learned in a unit on Shakespeare.
C) Ms.Chisholm is trying to decide whether to use true-false or to assess her science students' understanding of physics principles related to force, velocity, and acceleration.
D) Ms.Doiron is trying to decide whether or not she should take points off for misspellings when she grades students' history essay exams.