The explosion in the cost of college and the rise in access to technology
has persuaded industrious high school students they should attempt to develop and market teenage friendly items that are not found in mainstream retail outlets.
(A) has persuaded industrious high school students they should attempt to develop and market teenage friendly items
(B) has persuaded industrious high school students to attempt developing and marketing items that are friendly to teenagers
(C) has persuaded industrious high school students that they should try the development and marketing of items that are friendly to teenagers
(D) have persuaded industrious high school students to attempt to develop and market teenage friendly items
(E) have persuaded industrious high school students to attempt and develop and market items that are friendly to teenagers