问答题The following sentences test your ability to recognize and usage errors. Each sentence contains either a single error or no error at all. No sentence contains more than one error. The error, if there is one, is underlined and lettered. If the sentence

The following sentences test your ability to recognize and usage errors. Each sentence contains either a single error or no error at all. No sentence contains more than one error. The error, if there is one, is underlined and lettered. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence is correct, select choice E. In choosing answers, follow the requirements of standard written English.　　During the excavation of Pompeii, many people worried that artifacts are being destroyed by care-less techniques,　　　　　　　　　　　　　　　　　　　　　　　　　　　A　　　　　　　　　　　　　 Bbut the dig continued in spite of their concerns. No error　　　C　　　　　　　　　　D　　　　　　　　　　　　　E