Answer:
a.
,
Explanation:
The array is used to store the multiple data with same data type.
Syntax for initialization of array:
type name[] = {data_1, data_2, data_3,....};
the comma ',' is used to separate the data with other data.
for example:
int array[] = {1,2,3,4,5};
we cannot used dot '.', colon ':' and semicolon ';' as separator.
