&lt;?phpecho &quot;This&quot;, &quot;was&quot;, &quot;a&quot;, &quot;bad&quot;, &quot;idea&quot;;?&gt;
A. This, was, a, bad, idea
B. This was a bad idea
C. Thiswasabadidea
D. Error
Answer:A
&lt;?phpecho &quot;This&quot;, &quot;was&quot;, &quot;a&quot;, &quot;bad&quot;, &quot;idea&quot;;?&gt;
A. This, was, a, bad, idea B. This was a bad idea C. Thiswasabadidea D. Error
Explanation: In an echo statement the comma operator is used to join strings.