If you were to utilize "gene machine," which of the following would you be using?

A) a machine that can create DNA sequences of choice by automated chemical synthesis in the laboratory using a RNA synthesizer responding to computer input
B) a machine that can create DNA sequences of choice by automated chemical synthesis in the laboratory using a DNA synthesizer responding to computer input
C) a machine that can create DNA sequences of choice by manual chemical synthesis in the laboratory using a DNA synthesizer responding to computer input
D) a machine that can create RNA sequences of choice by automated chemical synthesis in the laboratory using a RNA synthesizer responding to computer input