Which of the Following Is NOT True When Considering Which

Which of the following is NOT true when considering which fields to index?

A) Indexes can slow down searches and queries,but they can accelerate performance when you add or update data.
B) You cannot index a field whose data type is an OLE Object,Hyperlink,Memo,or Attachment.
C) You should index a field when the data is generally unique and when there are more different entries than duplicate entries.
D) You should index a field when you plan to frequently search or sort it.