What Are the Major Differences Between Block and Modified Block

Multiple Choice

What are the major differences between block and modified block? In modified block, the writer should:

A) Position the complimentary closing and signature line at a Tab stop placed at 3.25"
B) Position the date line at a Tab stop placed at 5"
C) Position the date line, complimentary closing and signature line at a Tab stop placed at 3.25"
D) Begin all lines at right margin and indent new paragraphs .25"