Select the passage that contains no shifts in either verb tense or point of view. a) The North Vietnamese and the Viet Cong were staging the Tet Offensive in 1968. American and South Vietnamese troops won the battle but lost in the arena of public opinion.
b) The North Vietnamese and the Viet Cong staged the Tet Offensive in 1968. American and South Vietnamese troops won the battle but lost in the arena of public opinion.
c) The North Vietnamese and the Viet Cong staged the Tet Offensive in 1968. American and South Vietnamese troops win the battle but lose in the arena of public opinion.