if he had help you ,he would have risked( ) his joba,to loseb,losingc,to be lostd,being lost

if he had help you ,he would have risked( ) his joba,to loseb,losingc,to be lostd,being lost
if he had help you ,he would have risked( ) his job
a,to lose
b,losing
c,to be lost
d,being lost

if he had help you ,he would have risked( ) his joba,to loseb,losingc,to be lostd,being lost
B
首先冒着失去工作的危险,这是主动的动作,排除CD
而risk doing sth是固定句型,所以选B

第一点 risk doing
第二点 失去工作 lose one's job
所以 B

B risking + doing