Which of the following was a provision of the chinese exclusion act that affected chinese immigrants who were already in the united states?

Assuming that this is referring to the same list of options that was posted before with this question, it was section B, since this said that they could not be deported. 

Delaware, pennsylvania, new jersey, georgia, connecticut, massachusetts bay, maryland, south carolina, new hampshire, virginia, new york, north carolina, and rhode island and providence plantations where the 13 original colonies