The sentence that uses possessive pronouns correctly is
A. That dress looks like yours.
B. Is wrong because it's should be its. It's is a contraction for it is. So it would read - My dog carried it is toy out to the backyard.
C. Is wrong because their should not have an apostrophe s. It should read - The credit for the great food is all theirs.
D. Is wrong because her shouldn't have an apostrophe s. It should read - Those books on the shelf are hers.
Hope this helps :)
George W bush signed the Immigration act of 1990 which allowed over 700,000 immigrants to come to the U.S (and because america is awesome)
As for this question, when you want to thank someone for the help, it all depends on how that someone has helped you and if the manner that you were helped would also come in as a factor.
When there is immediate contact between the helper and the one being helped, the most direct way to thank someone is to vocalize it and say it to that person that gratitude that you wanted to express. Other ways would be to return the favor to that person. Most people prefer them to be of equal or more than the value of the help given at the moment. If there is no such available way, then what others tend to do is to remain in debt for that person. So when the time comes that the person needs help, they can readily assist and offer the help they needed.