About which of the following do Leibniz and Spinoza disagree?

About which of the following do Leibniz and Spinoza disagree?

(a) There cannot be two substances of the same nature.

(b) Every substance necessarily exists.

(c) Each thing has a conatus by which it strives to continue in its own nature.

(d) Nothing ever tends, by its own nature, to cease existing.

(e) Whatever happens in a body is reflected in its mind, and vice versa.

(f) None of the above.