How can Clustering $($Unsupervised Learning$)$ be used to improve the accuracy of the Linear Regression model $($Supervised Learning$)?1)$ Creating an input feature for cluster IDs as an ordinal variable$\mathrm{.}2)$ Creating an input feature for cluster centroids as a continuous variable$\mathrm{.}3)$ Creating an input feature for cluster size as a continuous variable.Options:A$.1$ onlyB. $1$ and $2$C$.1$ and $3$D$.$ All the above