∵复数z满足z(1+i)=2-i,∴z=
2-i
1+i =
(2-i)(1-i)
(1+i)(1-i) =
1-3i
2 =
1
2 -
3
2 i ,
它在复平面内的对应点为(
2 ,-
2 ),
故选 D.