Pearl Mary's Grandmother, Pearl, Is from the Old Country

Pearl Mary's grandmother, Pearl, is from the Old Country.Although she knows some English, she continues to
Speak her native tongue.Pearl can't go anywhere without a member of the family because she can't
Communicate with people about prices, directions, bus routes, etc.
Mary decides to try to modify Pearl's behavior.She and the rest of the family refuse to respond to any comment or request by Pearl that they know she is capable of expressing in English.For example, if during dinner she says, "Pass the potatoes" in English, she gets potatoes; if she says it in her native language she gets ignored.
Refer to Pearl.When Mary planned her little experiment, she decided she wanted to be able to tell whether the procedure was working.Consequently, before beginning the procedure, Mary .

A) ignored all comments from her grandmother for a week before she began to apply the training procedure
B) asked her grandmother how she felt about speaking English
C) kept a record of the number of times her grandmother spoke English spontaneously
D) repeatedly criticized her grandmother for not speaking English