If you were to begin a new job tomorrow, you would bring with you some basic strengths and weaknesses. Success or (67) in your work would depend, to (68) great extent (69) your ability to use your strengths ,and weaknesses to the best advantage.

(70) the utmost importance is your attitude. A person (71) begins a job convinced that he isn’t going to like it or is (72) that he is going to ail is exhibiting a weakness which can only hinder his success. On the other band, a person who is secure (73) his belief that he is probably as capable (74) doing the work as anyone else and who is willing to make a cheerful attempt (75) it possesses a certain strength of purpose. The chances are that he will do well. (76) the prerequisite skills for a particular job is strength. Lacking those skills is obviously a weakness. A book keeper who can’t add or a carpenter who can’t cut a straight line with a saw (77) hopeless cases.

This book has been designed to help you capitalize (78) the strength and overcome the (79) that you bring to the job of learning. But for your development, you must first (80) stock of where you stand now. (81) we get further along in the book, we’ll be (82) in some detail with specific processes for developing and strengthening (83) skills. However, (84) begin with, you should pause (85) examine your present strengths and weaknesses in three areas that are critical to your success or failure in school: your (86) , your reading and communication skills, and your study habits.

A. Have B. Had C. Having D. Had been

答案：

C

解析：

本句的意思是“具有某一工作的必要技能是一个优势”，此处应填句子的主语，故选动名词having。