把一个圆柱展开,它的侧面是边长1分米的正方形,这个圆柱体的表面积是请选择ABCD+[-Y9f+d3J-~+B:b(B;a(Y8i.S0l)e8R5M4S2S2c
A.1/2π+1平方分米8i.S0l)e8R5M4S2S2c
B.1/4π+1平方分米8i.S0l)e8R5M4S2S2c
C.1/2π平方分米8i.S0l)e8R5M4S2S2c
D.1/4π平方分米8i.S0l)e8R5M4S2S2c