<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:An 8-year-old child with elfin facial features is very friendly with strangers. He has a history of mild mental retardation, and a hemizygous deletion on chromosome 7q11.23, that includes a portion of the elastin gene. Which of the following is most likely true in this patient?? A: Carpopedal spasm induced by sphygmomanometer inflation, B: Vitamin D supplementation is recommended, C: Holosystolic murmur heard at the apex with radiation to the axilla, D: Symptoms may develop secondary to left ventricular outflow tract obstruction, E: This patient is less likely to experience angina,  <response>: This is a clinical vignette describing a patient with characteristic facial features, intellectual disability, and a genetic deletion involving the elastin gene on chromosome 7. The description is consistent with Williams syndrome. Patients with Williams syndrome often have distinctive elfin facial features, developmental delayintellectual disability, and cardiovascular abnormalities. The deletion on chromosome 7q11.23 is diagnostic for Williams syndrome. The question is asking which of the findings or recommendations is most likely to be true in this patient.D: Symptoms may develop secondary to left ventricular outflow tract obstruction 