10.若P为曲线y=lnx上一动点,Q为直线y=x+1上一动点,则|PQ|min=( )
0 249919 249927 249933 249937 249943 249945 249949 249955 249957 249963 249969 249973 249975 249979 249985 249987 249993 249997 249999 250003 250005 250009 250011 250013 250014 250015 250017 250018 250019 250021 250023 250027 250029 250033 250035 250039 250045 250047 250053 250057 250059 250063 250069 250075 250077 250083 250087 250089 250095 250099 250105 250113 266669
A. | 0 | B. | $\frac{\sqrt{2}}{2}$ | C. | $\sqrt{2}$ | D. | 2 |