C, Dr. Anderson asked, "When is the awards ceremony going to begin?"
D. Given.
My father has given his time, effort, and money to the relief effort.
Answer:
the first one and the last one. Hope this helped, good luck!!
Explanation:
B. Solar power saves money for the user and makes the world a better place all around.
A is a personal opinion, C is not specific at al, D is factual, but it doesn't exactly make sense because though it helps the environment it doesn't really sustain our resources. Therefore B is the correct answer.