Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
10 Breakthrough Technologies 2017, such as reversing paralysis, self-driving trucks, the 360-degree selfie, .., will effect the economy and our politics, improve medicine, or influence our culture.
A. self-driving
B. 360-degree
C. effect
D. improve