At an Exchange of Contracts for the Sale of Torrens

At an exchange of contracts for the sale of Torrens title land,which of the following does not take place?

A) The vendor hands over their certificate of title to the purchaser in return for proof that the purchaser has the financial capacity to buy the land.
B) Each party hands over a signed and dated copy of the contract to the other.
C) The vendor and purchaser are represented by a conveyancer.
D) The purchaser pays a deposit to the vendor.