A$.$

$"$If today is Wednesay, then the restaurant is open."

$"$If the restaurant is open, then we will meet at $1$ pm$."$

$\backslash$table$[[$an infer,$n$ answer$],[,$Select an answer$],[,\backslash$table$[[$If today is Wednesay, then the restaurant is open.$],[$If we will not meet at $1pm,$ then today is not Wednesay$]]],[,\backslash$table$[[$The restaurant is open.$],[$Today is Wednesay$]]],[$infer$,$The restaurant is not open.$],[,$If today is Wednesay, then we will meet at $1pm.],[,$None of the above.$],[,$an answer$]]$

D$.$

$"$If the restaurant is not open, then today is not Wednesay"

We can infer:

E$.$

$"$If today is not Wednesay, then the restaurant is not open."

"The restaurant is open."