Please answer correct answer ?

 (a) Work methods study is the correct answer as per my understanding........

 Thanks for invitation ..................... my answer is A

Answer is A;- Work method study

A is the correct answer 

regards

Option A_________

Thanks for invitation________

Thanks for invitation,

I do believe that the correct answer is "A"

Thanks for the invite.

It is A - Work methods study is most appropriate.

Thank..... I think the answer is A.

A option is answer .

 .... thanks ....

Thank you a lot. Optiion A - It is more relevant answer as work methods study.