Direst and indirect speech are two common ways of using evidence to support the author’s argument in argumentative writing. Please select from the following statements the one with the right description.
选项：

A:When using indirect speech, the meaning of the original text can be altered in some ways.;
B:When using direct speech, it may be necessary to add information to the quotation for purposes of clarification.;
C:Special attention may need to be given to verbs and words that refer to time and place when using indirect speech.;
D:---