The average length of an Email must bea.None of theseb.About 800 wordsc.Elaboratived.Brief about 200 words

The average length of an email can vary greatly depending on the context, purpose, and recipient. However, in general, it's often recommended to keep emails brief and to the point, which would suggest an average length closer to 200 words (option d). This is because shorter emails are typically easier to read and respond to, which can be especially important in a professional setting where recipients may be dealing with a high volume of emails. However, there may be situations where a more elaborate email (option c) is necessary, such as when providing detailed instructions or information. An email of about 800 words (option b) would generally be considered quite long for most purposes. Therefore, there's no definitive answer (option a), as the ideal length of an email can depend on various factors.