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.