In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to remove muscle knots [title] Identify muscle knot areas. [step] Some muscle knots hurt without pressure, so they're easy to identify. Others don't hurt until you apply pressure. <sep> (A) You have something that you can't touch but you're having trouble identifying it, focusing on those knots. [substeps] Muscle knots that are painful are usually caused by knots where the right pressure applies. (B) Using your fingers, gently probe your muscles looking for pressure points. You may feel a knot or bump in the muscle. (C) The most common muscle knots are : [substeps] Tightness or squeezing squeezing the muscle until it separates from the muscle. Tightness can cause muscle spasms to occur. (D) Take a look at a single muscle knot and identify it by looking at the size and shape. Common muscle knots include : [substeps] Pleural knots.
B