Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A British company listed on AIM (formerly the Alternative Investment Market) of the London Stock Exchange announced the sale of 6,686,665 shares to a small group of qualified investors at ￡0.025 per share. Which of the following best describes this sale?
Option A:Shelf registration.
Option B:Private placement.
Option C:Initial public offering.

Answer: B