What does this source explain? PLEASE ANSWER

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

May someone me answer these questions

Which of these names would be listed first in a telephone directory? a: d’agostino b: dague c: dagy