Hi !!
Carl had eaten the last piece of cake
had eaten = past perfect (have -past- + past participle)
to eat is an irregular verb = eat //ate//eaten
simple past = ate
past progressive = was eating
present progressive = is eating
hope I helped !!
Some factors are influencing formability are: material homogenity and cleanliness, chemical composition, deformation rate, temperature.
A support beam transversed the ceiling
I am going to go with A because I researched and that is the only true one hope it helps:)
Once you make a decision, the universe conspires to make it happen
-Ralph Waldo Emerson