Answer:
B) details that are directly connected to the topic.
Step-by-step explanation:
When we claim that a particular detail is "relevant," what we mean is that it is closely connected to the topic. In other words, this is a detail that will help us better understand the subject we are discussing. When writing an informative text, it is important that we only use relevant details. Otherwise, we run the risk of presenting information that is not important, and that might distract or confuse the reader. Moreover, we run the risk of missing information that was actually necessary for the reader to know.