dropdown box not reset after successful form submission

I am using contact form7 dropdowm field in my form, When i submit the form successfully, all other form fields are reset except select box field. it’s show what i am select the option from the select list before form submit.
i am also tried the jquery based form reset it’s not working.

select box code : [select* state id:regState class:required-entry class:validate-select class:selectpicker class:show-menu-arrow first_as_label “States” “Alaska” “Arizona” “Arkansas” “California” “Colorado” “Connecticut”]

code: jQuery(“.wpcf7-form”)[0].reset();

please i need help resolve this problem.

https://www.ads-software.com/plugins/contact-form-7/