Grammar in German: Ein, Aber

What does "ein" mean in English?

• A.and
• B.a (f)
• C.a (m)
• D.with

Match "but" with its German translation.

• A.sie
• B.mein
• C.du
• D.aber

Translate to German: "a (f)"

• A.das
• B.eine
• C.in
• D.aber