Answer: c) After the success of Angela’s Ashes, McCourt focused all of his creative energy into writing more memoirs.
Explanation: Frank McCourt was a teacher and writer who had a terrible childhood. He wrote then, "Angela's Ashes", a memoir about his experiences, but it did not have much success overnight. In fact, it received many critics about how despicably he talked about his family, however, he got better critics as time passed by, and, after the memoir's success, he decided to get more memoirs out of his system, writing about his bitter life experiences.
Answer:
Grace Chua is a poet and a journalist who covers environmental science. Her first collection of poetry, The Stamp Collector's Wife, was published in 2010. “ICU” is an acronym for the Intensive Care Unit of a hospital for patients who need a high level of care.
The study of the structure an behaviour of the physical and natural environment by oberseving through scientficic instruments and through experiments.
When you enumerate you need to put comas between all the items except the ones which are connected by "and" : as A is not correct as it does not have comas, and B is incorrect as it has comas where "and" is.
now, in a way both C and D are correct, but C is the usual accepted version, and D is an example of "Oxford coma" (where the coma is optional, to remain on the safe side, choose C).