When Writing to a Business Executive in Japan, Doris Started

Multiple Choice

When writing to a business executive in Japan, Doris started the email with a direct question, spelled out the month, used English because she doesn't speak Japanese fluently, used a formal writing style, and avoided using contractions. Which of the following was a mistake?

A) using a formal writing style
B) using English
C) spelling out the month
D) starting the email with a direct question
E) avoiding contractions