Concept:The 1948 shooting of three ex-servicemen in the Gold Coast is a key event in Ghana’s independence struggle.Explanation:On 28th February 1948, a peaceful march of ex-servicemen to present a petition to the Governor was disrupted by police gunfire.The three ex-servicemen killed were Sergeant Adjetey, Corporal Attipoe, and Private Odartey-Lamptey.This event triggered widespread disturbances and boosted the demand for self-government.Answer:D. Corporal Attipoe, Private Odartey-Lamptey and Sergeant Adjetey.