Choose the correct sentence which is built from the words and phrases given:
He / start school / seven. Besides violin lessons / religious education / begin / study mathematics.
He started school at the age of seven with besides violin lessons and religious education, he began to study mathematics.
As he started school at the age of seven. Besides violin lessons and religious education, he began to study mathematics.
He started school at the age of seven. Besides violin lessons and religious education, together with beginning to study mathematics.
He started school at the age of seven. Besides violin lessons and religious education, he began to study mathematics.
He started school at the age of seven. Besides violin lessons and religious education, he began to study mathematics.