C, be-caused. semi -colons and commas.
The gerund in this sentence is "learning". A gerund is a verb form which is acting as a noun, in this case after the preposition "in".
41 states set the age of juvenile court jurisdiction at 17. Seven states—Georgia, Louisiana, Michigan, Missouri, South Carolina, Texas and Wisconsin—set the age at 16, and two states—New York and North Carolina—set the age at 15.
I believe your answer would be c if talking about historic fiction !!
