ans of the question plz

Dear student,Ethylene is produced in all higher plants and is produced from methionine in essentially all tissues.ATP and water are added to methionine resulting in loss of the three phosphates and S-adenosyl methionine. 1-amino-cyclopropane-1-carboxylic acid synthase (ACC-synthase) facilitates the production of ACC from SAM.Since methionine is Sulphur containing.So option c.Regards.