Ajob opening has been announced. which of these answer choices will be the best opening sentence for the cover message? a. do you need a web engineer with over three years of experience? b. consider this letter my application for your opening in the it department. c. dr. matthew skalski, it director at northwestern university, told me that you have an opening for a web engineer with experience in networking, data management, and innovations. d. you seek a master web engineer, and i need a job; we are perfect for each other!