[单选题]
A 36-kg round table is supportejq.4f lu r2m2xd by three legs placed equal disez cdb 6fyhzt y-6dh2)ad70w*tances apart on the edge. What minimum mass, placed in thefyh 6-7tzb6yeh )d 0d2* dzacw middle between two supports on the table's edge, will cause the table to overturn?
A. $12 \; kg$
B. $24 \; kg$
C. $36 \; kg$
D. $48 \; kg$
