[单选题]Given: 11. public void go(int x) { Which statemen

A All of the assert statements are used appropriately.

B Only the assert statement on line 12 is used appropriately.

C Only the assert statement on line 15 is used appropriately.

D Only the assert statement on line 18 is used appropriately.

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

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

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