单选题 Tom: What was your worst subject? Ron: Mm... that would be chemistry. I never could learn to like it very much, and my marks weren't ever very good. The chemical formulas were hard for me to understand, and in chemistry class there are a lot of chemical formulas! Tom: ______. Ron: I've wanted to be involved in computer engineering ever since I was little. If I pass this interview and am offered a position with this company, I want to contribute to improving technology and developing better computers. I want to be a professional in this field.