I cant find forgot security question yahoo mail sub-topic

Hello,

i got trouble with my yahoo mail, till now i cant access it, cos i did not check my mail yet for a month , i've try to access mail yahoo helper but i cant find forgot security question in sub topic. overhere : https://io.help.yahoo.com/contact/index?page=contact&locale=en_CA&y=PROD_ACCT#

thanks for ur help, if u have any idea about my case feel free to help. tks in advice .