It is the main idea of your concept... It's the thing that you try to explain
Answer:
A
Explanation:
A uses a past tense (rang) which is correct for a past tensed sentence
Mean while B uses a present tense (ringing) for a sentence which is past tensed, which makes no sense and is absolute non sense.
De rien... au revoir avec des baisers!
Ok I guess but what is the question
THE ANSWER IS A BCUZ OF REASONS, NOW I GOTSZ FRE POINTS. LOLOLOLOL