Ian should ask questions about the children's ages, gender, ethnicity, and cultural background.
Explanation:
In order to successfully prepare a speech, we need to know basic things about our audience. Many aspects of our speech may depend on the characteristics of our audience. For example, a speech concerning the same topic can be completely different depending on whether we are speaking to children or experts. We need to adjust our approach, vocabulary and aspects of the topic we want to discuss.
As the topic of Ian's speech is racism, information such as the children's ages, gender, ethnicity, and cultural background can all be relevant. That is why statement A is the correct option.
Statement B doesn't include information of such importance. First, Ian doesn't want to know the location of the speech, but the details about his audience. The size of the audience wouldn't be of particular significance, and he knows that his target audience is elementary school children.
Statement C is also incorrect, as Ian's audience is children attending elementary school. They have no level of expertise or occupation.
Statement D is incorrect, because this way, Ian once again wouldn't find out anything that could be of use to him.
Learn more about the fight against racism here: brainly.com/question/2630433
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