Motorcyclists can make themselves more visible by
a. driving at slower speeds
b. driving in the center of the lane
c. putting reflective tape on their helmet and clothing
d. using high beam most of the time

Based on the cause-and-effect relationship in this sentence, what is the meaning of the word illuminate? the colors and patterns on the stained glass windows were illuminated as thousands of candles burned during the special church service. a) to melt or change form b) to grow taller or wider c) to become extremely hot d) to light up or make clear