It depends on if you argue for or against it. For a thesis to being with community service maybe try something like:
Community service is something that can be very effective on our environment. The possibilities of a clean world can be achieved if more people were to band together and tackle issues such as littering and pollution. However, it seems that right now, many people are not so much for the cause or the effort in saving our planet.
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!
B. if you count it out it equals 10 :)
decasyllabic is ten syllables