When you preview something, you inspect it. Previewing helps you get a glimpse of what's ahead before you read or something, kind of like skimming.
The answer is the last one (c)
I wonder whether the day will arrive; the day I will be able to say, what I got as privileges back then, now girls get as rights.
Answer:
it would be "How many children are affected by natural disasters every year?"
Explanation:
While the cousin would have experience with the other three and would therefor have answers, Unless she was a professional she would not know the answer to the third.