Read this reason jacob wants to include in his argument.

an essay item tests higher-level thinking, challenging students to apply concepts and solve problems while proving their mastery of language, organization, and logic.

which piece of evidence should jacob use to support this reason?

a.
a student survey concluded that “multiple-choice items have both drawbacks and benefits, just like essay items.”
b.
a newly released article stated that “test makers often provide general rubrics for grading essay items that graders eliminate bias in their markings.”
c.
in an online interview, a teacher stated, “on the other hand, essay items present a grading challenge because implementing bias-free parameters for grading is nearly impossible.”
d.
a recent study found that “essay items present grading challenges but offer more flexibility in the thinking skills under examination.”