Why Is It So Interesting to Linguists That Children Say

Multiple Choice

Why is it so interesting to linguists that children say things like "taked" instead of "took" or "badder" instead of "worse"?

A) because children only make these mistakes early in their language acquisition period
B) because children are explicitly taught the rules of universal grammar
C) because children persist in making these grammatically logical mistakes even after being corrected
D) because it is evidence of the influence of direct instruction on speaking by caregivers