D. Being separated from his sister greatly affects him to this day no matter how much time had passed.
Explanation:
Kidnapped along with Equiano, his sister was also sold into slavery. She and Equiano reunited once while still in Africa, but were soon thereafter parted again forever. These two partings bring much grief to Olaudah, and demonstrate the severity of family separations engendered by the slave trade.
True, because a simple tool such as a hammer is a technological advancement. Advanced transportation is a more obvious definition of an technological advancement.