<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 35-year-old G2P1 delivers a boy in the 40th week of gestation. The pregnancy was uncomplicated. The newborn had Apgar scores of 7 and 9 at the 1st and 5th minutes, respectively. On physical examination, the newborn is noted to have a left-sided cleft lip. The hard palate and nose are normal. Which of the following statements describes the cause of the abnormality?? A: Failure of development of the first pharyngeal arch, B: Failure of fusion of the left maxillary prominence and the medial nasal process of the frontonasal prominence, C: Partial resorption of the first pharyngeal arch, D: Failure of fusion of the left maxillary prominence and the lateral nasal process of the frontonasal prominence, E: Failure of development of the left maxillary prominence,  <response>: This is a question about the embryological cause of cleft lip. The stem describes a newborn with an isolated left-sided cleft lip, indicating a unilateral cleft lip. During embryonic development, the maxillary and medial nasal processes of the frontonasal prominence normally fuse with the maxillary processes bilaterally to form the upper lip. A unilateral cleft lip results from failure of fusion between the maxillary process and medial nasal process on one side.B: Failure of fusion of the left maxillary prominence and the medial nasal process of the frontonasal prominence 