Which one of the following statements is FALSE about arrays? $($We assume array indexes start at $1).$

a$.$

The $10$th element of an array testing, can be referred to as testing$[10].$

b$.$

If we want to set the $5$th element of array what to $6,$ it can be done as follows: what$[6]5.$

c$.$

If scores is the name of an array, scores$[3]$ would be the name of one of its elements.

d$.$

Marks$[2][3]$ would be an element of a two$-$dimensional array Marks.