Which of the following us used as a gerund phrase.

my sister was overjoyed about discovering a new hobby

d

explanation:

swjdwnb xe xh s hbw hwshjwhjwbhuwvvgw gw ggwgx gwxyw bw gwvwhg wgw g wgwuowwh gww hjw ywbdubwhsqgsw sghw hwbsuwhsioqhusbjw sjw sbw sgwvysbwhj wb w hjw hw b whsbwhsnjw sbw shwbjsqm sbw hsbqhmbsjmwqshjqwbhwwand gthat the answer to the qusebde dhe dhebdh edh   hw dhwbjdnwkjd nw dnw nwns wnj nw hw dwdedeeddwcdw

the main character of "the secret life of walter mitty" retreats into a false pretense as a means escape from his mundane reality -- this is a flagrant issue seen in societies abroad, typically found in young adults and it is robbing our youths of their childhood.

explanation:

a thesis -- a well developed, formal thesis is required to be one sentence long. there are many themes in "the secret life of walter mitty" and i had resolved to give you one of the simpler ones while still honing it with class.

what are the words supposed to be listed?