Select the sentence with the misplaced modifier.
a. jeremy had never been to a carnival before but always thought it sounded like fun.
b. when a carnival came to town, jeremy knew he had to go on all of the rides.
c. jeremy began saving all the money in a shoebox that he earned doing chores. d. riding the ferris wheel, jeremy couldn’t have been happier.
i think its c

Jeremy began saving all the money in a shoebox that he earned doing chores.

no

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.