The correct sentence is C, because the use of the semicolon is correct.
<span>The decorating style was dictated in 1940s and 1950s.(C.) 2. A general document that explains payments, deliveries and proposed work is a contract. 4. Knowing the building codes falls within the domain of interior designer. 6. I would like to attract the clients by dressing properly the way I would expect the client to dress. 10. Marco polo discovered the asian inflluence on his travels. 12. The average worker has six jobs in his entire career or life. 16.I would deterine if the crib meets today's standard.20. A decorator show house is a home decorated by a group of decorators.</span>
The answer would be (why)
I was thinking between either C or D but D seems to make more sense to me.