Sagot :
[tex]\huge\blue{{\boxed{\boxed{\boxed{\pink{\mathfrak{12. \: D \: }}}}}}}[/tex]
[tex]\huge\blue{{\boxed{\boxed{\boxed{\pink{\mathfrak{13. \: a}}}}}}}[/tex]
[tex]\huge\blue{{\boxed{\boxed{\boxed{\pink{\mathfrak{14. \: a}}}}}}}[/tex]
[tex]\huge\blue{{\boxed{\boxed{\boxed{\pink{\mathfrak{15. \: c}}}}}}}[/tex]
hope it helps
correct me if I'm wrong