Which one of the following examples represent a true example of corporate citizenship?

Select one:

a$.$

The Volkswagen Group adjusted the on$-$board computers of cars to make them appear to be more fuel$-$efficient.

b$.$

Tesla Motors Inc. ensures minimal negative impact on the environment and optimal positive benefit to its stakeholders, while also boosting the organisation$$s corporate image and financial positioning.

c$.$

In $2017,$ Ford South Africa met with the National Consumer Commission $($NCC$)$ to update the commission on the progress pertaining to the $1\mathrm{.}6$ litre engine Kuga, which was recalled after numerous reports of fires igniting in the engines.

d$.$

BMW created a School Environmental Educational Development $($SEED$)$ programme, empowering schools and communities with the knowledge required to provide for themselves, using the earth as a source of food and monetary growth.