The correct options are
A It consists only of the sarpanches of the block.
C They approach the state government directly.
The Block panchayat consists of all the sarpanches of the block, elected members of the State Legislature or the Union Parliament. It also has a ‘Block Development Officer’. But the Block Panchayat doesn’t approach the State Government directly. There is the District Panchayat or the Zila Parishad at the middle level.