7. Which quantity is greater?

$$\begin{array}{lcl}Nancy\:has\:2\:options\:when\:she\:is\:going\:to \:work.\\ She\:can\:drive\:her\:car\:that\:takes\:about\:5\:minutes.\\ Or\:she\:can\:take\:the\:subway\:that\:takes\:about\:15\:minutes.\:\\ She\:always\:takes\:the\:subway\:on\:Mondays.\\ \\ Column\:A: 10\:minutes\\ Column\: B:The\:time\:it\:takes\:for\:Nancy\:to\:get\:to\\ \, \, \, \, \, \, \, \,\: \: \: \: \, \, \, \, \: \: \: \: \: \, \, \:work\:on\:a\:Thursday. \\ \\ (A):If\: the\: quantity\: in \: Column\: A\: is \: greater;\\ (B):If\: the \: quantity\: in \: Column \: B\: is \: greater;\\ (C):If\: the \: two\: quantities\: are\: equal;\\ (D):If\: the\: relationship\: cannot\: be\: determined\\\, \, \, \, \, \, \, \, \, \, \, \: from\: the\: information\: given.\\ \end{array}$$