Match the properties given in Column I with the reansition elements given in Column II and select the correct answer using the code below the lists `:

Match the properties given in Column I with the reansition elements given in Column II and select the correct answer using the code below the lists `:`
`{:(,"Column"I,,"Column"II,),(,("Property"),,("Transition elements"),),((a),"Highest oxidation state",,(p)" "Cr.,),((b),"Highest density",,(q)" "Os.,),((c ),"Element with maximum unparied electrons.",,(r)" "Tc.,),((d),"Radioactive transition element",,(s)" "Cu.,):}`
Code `:`
A. `{:(,"(a)","(b)","(c)","(d)"),(,q,q,p,r):}`
B. `{:(,"(a)","(b)","(c)","(d)"),(,q,p,s,r):}`
C. `{:(,"(a)","(b)","(c)","(d)"),(,p,q,r,s):}`
D. `{:(,"(a)","(b)","(c)","(d)"),(,r,s,q,p):}`