Which of the Following Is Correct Dependency for Adding CardView

Which of the following is correct dependency for adding CardView?

A) dependencies {compile 'com.android.support:cardview-v7:24.2.1' }
B) dependencies {compile 'com.android.support:CardView-v7:24.2.1' }
C) dependencies {compile 'com.android.support:cardView-v7:24.2.1' }
D) dependencies {compile 'com.android.support.cardview-v7:24.2.1' }