Para identificar a alternativa que NÃO traz o tempo verbal Present Perfect, vamos analisar cada uma das opções: a) We’ve just gotten back from Los Angeles. - Esta frase está no Present Perfect (have/has + participio). b) Prices have gotten higher lately in our country. - Esta frase também está no Present Perfect. c) Researchers have already discovered cures for many diseases. - Esta frase está no Present Perfect. d) I had three cups of coffee with milk this morning. - Esta frase está no passado simples (had), não no Present Perfect. e) They have won several awards. - Esta frase está no Present Perfect. Portanto, a alternativa que NÃO traz Present Perfect é: d) I had three cups of coffee with milk this morning.