項(xiàng)目經(jīng)理接到新項(xiàng)目,經(jīng)核實(shí),項(xiàng)目范圍明確,并確定從供應(yīng)商采購服務(wù)。項(xiàng)目經(jīng)理為減小項(xiàng)目后續(xù)階段范圍變更帶來的風(fēng)險(xiǎn),應(yīng)采用哪種類型合同? A. CPPC B. FP C. T&M D. CPIF