Answer:
The correct answer is the option A: identify herself and her company.
Explanation:
To begin with, at the beginning of a request that is being made in a professional way the most important thing to do is to start the request by introducing the person and the person's company in order to let the reader know who is the sender of the request and therefore established the importance of the position of the person. Moreover, by doing that the person does not only identify herself but also capture the attention of the reader depending on the company's name that is being introduced as well. Furthermore, no request should begin with the citation of facts, statistics and data and more in order to not sofocate the reader with heavy data, the sender wants first to capture the attention and later support her request with important information that must no be absent.