Given: 11. public void go(int x) { Which statement is true?（）

AAll of the assert statements are used appropriately.

BOnly the assert statement on line 12 is used appropriately.

COnly the assert statement on line 15 is used appropriately.

DOnly the assert statement on line 18 is used appropriately.

EOnly the assert statements on lines 12 and 15 are used appropriately.

FOnly the assert statements on lines 12 and 18 are used appropriately.

GOnly the assert statements on lines 15 and 18 are used appropriately.