From the iron-carbon phase diagram, which of the following phases/phase combinations is present for a steel composition of 0.7wt % C at 700°C

From the iron-carbon phase diagram, which of the following phases/phase combinations is present for a steel composition of 0.7wt % C at 700°C
A.Pearlite + Cementite
B.α + Pearlite
C.α + Cementite
D.γ + Cementite
正确答案：α + Pearlite；α + Cementite