Tom’s hesitation led to his colleagues’ ______about his ability

Tom’s hesitation led to his colleagues’ ______about his ability to handle the problem.
A、skepticism
B、speculation
C、confusion
D、ignorance
【正确答案】：A
【题目解析】：speculation推测；猜测；推断。skepticism怀疑的态度。confusion困惑。ignorance忽视。句意：汤姆的犹豫不决使得他的同事怀疑他处理问题的能力。