The choice compositor requires that child elements must appear either only once or not at all.

To hide a row of information, you place the mouse pointer over the row heading, ________

A) click once, and in the Arrange group, click Hide Row B) click once, and in the View group, click Hide Row C) double-click and click Hide from the shortcut menu D) right-click and click Hide from the shortcut menu

What is the value of alpha[4] after the following code executes?int[] alpha = new int[5];for (int j = 0; j < 5; j++)    alpha[j] = 2 * j - 1;

A. one B. three C. five D. seven