GRE Text Completion: Maggoosh-GRE填空Maggoosh - T52L5MB8VMKO79E7Y

For one undertaking such a complex dissertation, Marcus gave a remarkably ____________ response when the committee asked him a probing question, thereby creating the impression that he had only a superficial knowledge of the subject. A. facile B. debonair C. smug D. shallow E. erudite F. histrionic