A diametric projection is said to be trimetric projection when(i) two of the three foreshortening factors are equal and third is arbitrary.(ii) all of the three foreshortening factors are equal.(iii) all of the three foreshortening factors are arbitrary.Which of the above is true ?

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (i) only
• D. (iii) only