It is answer C. They didn't understand the test and probably didn't know what they got wrong and couldn't study.
The fist answer should be the right one
D, since the children were seen by their mother. It would be active if their mother saw them.
Answer:
:)
Explanation:
You press the bar that tells/ask you to aswer it and you type the answer in and in the right top corner a green icon says "Add your Answer" and thats it.
c. the practice of bringing gifts to a birthday party