One of the four underlined sections may mark an error in punctuation. Choose the option that marks the error in punctuation. If there is no error, choose No error.

For most of us who are not reading specialists, learning to read is a mysterious process; why a child is ready to learn to read one week and not two weeks earlier is a puzzle. Although, the process of learning to read is perplexing, experts are conducting research that promises to unravel the mysteries, thereby suggesting ways to help children learn to read.
specialists, learning
process; why
Although, the
perplexing,
No error

Ooops! You forgot to tell us what YOU THINK first!!

no error

For most of us who are not reading specialists, learning to read is a mysterious process; why a child is ready to learn to read one week and not two weeks earlier is a puzzle. Although, the process of learning to read is perplexing, experts are conducting research that promises to unravel the mysteries, thereby suggesting ways to help children learn to read.

a)
comma after “specialists”

b)
comma after “mysteries”

c)
comma after “Although”

d)
comma after “perplexing”

e)
no error

I think the Answer should be C. Because there should be no comma after "Although"

ALL ARE ERRORS

The correct answer is:

Although, the