Answer:
A. The partner asked if they understand what to do.
B. His neighbor asked if they could lend them a book.
C.The students told the teacher that they were not
prepared for this lesson's test.
D.The teacher ordered him to leave the room and go to the principal.
hope anything that i said acually helped :)
A. Because the source would have a wide spectrum of information and would lead you to other sources for more specific information.
It is a synonym because it is a word that means the same thing