Answer:
I'm not sure if there was supposed to be an image but I think you're talking about a viola.
I think it was the South. Not exactly sure though.
The conjugation of the verb "design" to "designed", without any auxiliary verb such as "have" or "do", shows the use of the 'simple past" tense (also known as preterite), whose principal function is to place a completed action or situation in a moment before "now".
What tense is the underlined verb in the sentence? The architect designed a daring structure.
D. Past
C. Nuclear power provides electricity at the lowest cost.
<span>technological advances that lowered transportation costs dramatically</span>