Select the answer that has no unnecessary shifts in verb tense (LO 15) Group of answer choices 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 The North Vietnamese and the Viet Cong were staging the Tet offensive in 1968 American and South Vietnamese troops win the battle but lost in the arena of public opinion The North Vietnamese and the Viet Cong staged the Tet offensive in 1968 American and South Vietnamese troops win the battle but are losing in the arena of public opinion The North Vietnamese and the Viet Cong staged the Tet offensive in 1968 American and South Vietnamese troops are winning the battle but lost in the arena of public opinion